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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Silver Fire, New Mexico

The Silver Fire, burning in southern New Mexico's Gila National Forest, has consumed over 133,625 acres as of July 1. The fire, caused by a lightning strike on June 7, is partially contained at 50 percent.

Goddard helps set 2 Guinness World Records

Landsat 5, operated by NASA's Goddard Space Flight Center, set the record for the longest-operating Earth observation satellite with 28 years of service. The center also hosted the largest astronomy lesson event, breaking a Guinness World Record with over 500 participants in Austin, Texas.

NASA rocket launch successful; next launch June 24 from Wallops

NASA successfully launched a Terrier-Improved Orion sounding rocket on June 20, carrying experiments built by university students and instructors. The next launch on June 24 will feature two rockets supporting the Daytime Dynamo experiment, which studies global electrical currents in the ionosphere.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Second Atlantic season tropical depression forms

A tropical depression formed in the western Caribbean Sea on June 17, with maximum sustained winds near 35 mph. The center of the depression will move inland over southern Belize before potentially emerging into the Bay of Campeche, where it could strengthen into Tropical Storm Barry.

NASA's TRMM Satellite sees Andrea's heavy rains in Cuba, US East Coast

NASA's TRMM satellite measured rainfall totals of 400-600 mm over Cuba and the southeast Gulf of Mexico, with widespread flooding reported in western Cuba. Along Andrea's track, rainfall amounts were lighter, ranging from 45-150 mm over parts of South Carolina, eastern Georgia, and coastal North Carolina.

NASA animation sees Post-Tropical Storm Andrea speed away

Post-Tropical cyclone Andrea sped away from the Maine coast, passing through Atlantic Canada before entering the Northern Atlantic. The storm brought tropical-strength winds and precipitation to areas like Portland, Maine, with 0.99 inch of rain recorded.

Fires in eastern China

Multiple wildfires burned in eastern China, producing massive smoke plumes detected by NASA's Aqua satellite. The MODIS instrument revealed hot spots as red areas and smoke as light brown areas.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Thompson Ridge Fire, New Mexico

The Thompson Ridge Fire, located in the Valles Caldera National Preserve, has burned approximately 1,906 acres as of May 31, 2013. The Tres Lagunas Fire, started by a downed power line, has burned over 7,400 acres and is currently uncontained.

NASA satellites watch the demise of Hurricane Barbara

Hurricane Barbara made landfall along Mexico's southern Pacific coast, with NASA-NOAA satellites capturing its movement and rainfall rates. The storm weakened into a tropical depression after making landfall, with remnants dissipating over the western Gulf of Mexico.

NASA's MMS team assembles final observatory

The Magnetospheric Multiscale mission team successfully assembled the fourth and final observatory for NASA's MMS mission. This achievement marks a new challenge in engineering, as the team built four identical spacecraft simultaneously, a feat rarely accomplished even by experienced professionals.

NASA sees Cyclone Mahasen hit Bangladesh

Tropical Cyclone Mahasen brought heavy rains and tropical storm force winds to southern Bangladesh, resulting in reported deaths of at least 13 people. NASA's TRMM satellite measured the cyclone's rainfall rates from space, providing valuable insights into its impact.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

GOES-R EXIS instrument ready for integration

The Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) will monitor extreme solar energy output from the sun, disrupting telecommunications, air travel, and power grids. The GOES-R satellite is expected to launch in 2015, providing more advanced capabilities and frequent images.

The day NASA's Fermi dodged a 1.5-ton bullet

Fermi's spacecraft dodged a catastrophic 1.5-ton bullet from the defunct spy satellite Cosmos 1805, avoiding an extremely close encounter. The successful maneuver was executed after NASA's CARA team predicted the potential collision just one week in advance.

Cyclone Imelda turned the corner on NASA satellite imagery

NASA's Aqua satellite captured images of Cyclone Imelda on April 11, revealing a well-developed storm with tightly-curved bands of thunderstorms. The storm turned to the south due to wind shear, with powerful thunderstorms dropping heavy rainfall and having cloud top temperatures colder than -63 Fahrenheit.

Practice makes perfect with Webb telescope mirror placement

The James Webb Space Telescope will feature 18 individual mirror segments that require precise alignment at extremely cold temperatures in space. The telescope's backplane is a truss structure made of lightweight but stiff tubes, holding the mirror segments together.

NASA's first laser communication system integrated, ready for launch

The Lunar Laser Communication Demonstration (LLCD) mission will demonstrate laser communications from lunar orbit to Earth at six times the rate of modern-day radio systems. The system uses a highly reliable infrared laser and sophisticated pointing technology to accurately target ground stations across distances of up to 238,900 miles.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

'Hot spots' ride a merry-go-round on Jupiter

Scientists have found that Jupiter's hot spots are created by a Rossby wave pattern, which glides up and down through layers of the atmosphere. The researchers mapped wind speeds and tracked small cloud movements to tease out individual motions, revealing the wave's true nature.

NASA Goddard team to participate in dark energy mission

The European Space Agency has selected NASA's Goddard team to join the Euclid mission, a space telescope designed to probe the mysteries of dark energy and dark matter. The project aims to explore the cosmic infrared background and provide insight into stellar and galactic populations in the early universe.

Satellite image shows eastern US severe weather system

A powerful cold front is sweeping across the eastern United States, replacing spring-like temperatures with winter-time weather and producing powerful storms. The NOAA GOES-13 satellite captured a stunning image of the storm system on January 30, showing a line of clouds stretching from Canada to the US Gulf Coast.

NASA's Webb telescope team completes optical milestone

The aft-optics subsystem of NASA's James Webb Space Telescope has completed performance testing, marking a significant milestone in the telescope's integration and test activities. The successful completion of this testing demonstrates that the AOS can withstand the extreme temperatures and vibration environment of space.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

NASA prepares for launch of next Earth observation satellite

The Landsat Data Continuity Mission will extend over 40 years of global land observations, critical in energy and water management, forest monitoring, and disaster recovery. The mission's instruments, including Operational Land Imager and Thermal Infrared Sensor, promise improved data quality and quantity.

NASA's GALEX reveals the largest-known spiral galaxy

The team used archival data from NASA's GALEX mission to study the galaxy's size and structure. They discovered a tidal dwarf candidate in the northeastern arm, which is bright in ultraviolet light and contains hot young stars less than 200 million years old.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Eighth Landsat satellite arrives at launch site

The Landsat 8 satellite, part of a 40-year record of change measurement from space, will continue to observe the planet in critical sectors like energy and water management. The satellite carries advanced instruments for land observation, including thermal imaging and coastal monitoring.

Apollo's lunar dust data being restored

Scientists with NASA's Goddard Space Flight Center have restored the fully calibrated digital dust data from the Apollo 14 and 15 missions, allowing for long-term analysis of the lunar dust readings. This achievement is part of the Lunar Data Project, which aims to make scientific data from Apollo available in modern formats.

SwRI team reports Cassini finds a video gamer's paradise at Saturn

The Cassini mission has discovered a second feature shaped like the video game icon PAC-MAN on Saturn's moon Tethys. This finding confirms that high-energy electrons can dramatically alter icy satellite surfaces, and suggests that such anomalies may be widespread in the Saturn system.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Cassini finds a video gamers' paradise at Saturn

Scientists have spotted a second Pac-Man thermal shape on Tethys, confirming that high-energy electrons can dramatically alter an icy moon's surface. The discovery suggests a more complex and varied process in the Saturn system.

A next-generation X-ray telescope ready to fly

FOXSI will study nanoflares on the sun using a state-of-the-art x-ray telescope that focuses incoming x-rays. The mission aims to understand energy transfer and coronal heating by observing how these small flares impact the sun's atmosphere.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

NASA adds up Hurricane Sandy's rainfall from space

Hurricane Sandy's heavy rainfall caused catastrophic flooding along the US eastern seaboard, with rainfall totals over 260mm in open Atlantic waters and 180mm in coastal areas. The storm resulted in over 120 reported deaths, mainly due to flooding and high winds.

Germs in space: Preventing infection on long flights

A new paper by Dr. Leonard Mermel reveals that microgravity weakens the immune system while increasing antimicrobial resistance in some microorganisms. In a spacecraft, germs can remain airborne for longer periods and spread more easily due to power limitations and recirculated air.

First 2 Webb Telescope flight mirrors delivered to NASA

The James Webb Space Telescope's primary mirror is composed of 18 hexagonal-shaped assemblies weighing over 40 kilograms each. The delivery of the first two mirrors marks an important step towards the telescope's integration and fulfillment of its scientific potential, enabling study of distant galaxies and the universe's formation.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Satellite spots Tropical Storm Nadine and 2 developing lows

Tropical Storm Nadine has cleared of convection, indicating a decrease in thunderstorms. A low-pressure area is forming in the central Atlantic, while another in the eastern Pacific shows promising signs of organization and warm sea surface temperatures.

NASA sees Eastern Pacific storms power up and down

Tropical Storm Kristy weakened to a remnant low pressure area while Hurricane Lane strengthened into a hurricane, according to NASA's Terra satellite observations. Lane exhibited a tighter circulation than Kristy, prompting warnings of life-threatening surf and rip current conditions in southern and central Baja California.

NASA's Hurricane Mission explores Tropical Storm Nadine

Tropical Storm Nadine strengthened to a hurricane on September 14 and weakened back to a tropical storm on September 16. NASA's Global Hawk aircraft investigated the storm, capturing data using instruments and dropsondes, while satellites obtained imagery from space.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

NASA analyzes Isaac's rainfall: Drought relief and flooding

Hurricane Isaac brought beneficial rain to drought-stricken regions in the Midwest, with rainfall totals ranging from 40-120 mm. The storm also caused significant flooding in Haiti and southeastern Florida, resulting in fatalities and property damage.

NASA sees 2 tropical cyclones in Eastern Pacific

Tropical Storm Gilma has maximum sustained winds near 65 mph, expected to weaken due to vertical wind shear. A low pressure area formerly known as Tropical storm Ernesto has a 60% chance of developing into a tropical depression in the Eastern Pacific.

NSBRI renews space life sciences graduate programs at MIT, Texas A&M

The National Space Biomedical Research Institute (NSBRI) has renewed its Graduate Education Program in Space Life Sciences at Massachusetts Institute of Technology (MIT) and Texas AûM University. The programs focus on space life sciences and provide Ph.D. training to students, with a combined value of $1 million over 5 years.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

NASA sees very heavy rainfall within Tropical Storm Ernesto

TRMM satellite data reveals areas of intense rainfall, with powerful convective thunderstorms dropping rain at a rate greater than 50mm/h, potentially intensifying the storm. Heavy rainfall is expected to cause flash floods and mudslides in affected regions, with up to 15 inches of rain predicted in some areas.

Space research institute awards funding to promising medical products

The National Space Biomedical Research Institute has awarded $100,000 to ACell, Inc. and Enterade USA LLC to develop innovative medical solutions addressing unmet health needs in space and on Earth. The funding will support the commercialization of wound-healing dressings and a radiation-rehydration drink.

NASA sees hot towers as Tropical Storm Fabio's trigger

NASA's TRMM satellite observed hot towers within Tropical Depression 06E, which later became Tropical Storm Fabio. The research found that storms with hot towers were twice as likely to intensify within six hours than those without.

HI-C sounding rocket mission has finest mirrors ever made

The HI-C mission will observe the solar corona at a resolution of up to 100 miles, surpassing existing instruments. The telescope's finely crafted mirrors, some of the best ever made, will capture structures in the sun's atmosphere with unprecedented detail.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Spaceflight may extend the lifespan of microscopic worm

A team of scientists discovered that spaceflight suppressed the accumulation of toxic proteins in a microscopic worm, Caenorhabditis elegans. When the expression of genes involved in aging was lowered, the worms lived longer, suggesting that spaceflight may slow the aging process.

NASA's TRMM Satellite measures Debby's drenching Florida rains

Tropical Storm Debby caused widespread flooding and heavy rain in Florida, with the highest rainfall totals exceeding 380 mm (~15 inches). The storm's effects were felt well away from its center, resulting in an outbreak of tornadoes over central and southern Florida.

UK Space Agency makes stellar investment in mission to the Sun

The UK Space Agency has invested £11.5M in the Solar Orbiter mission, which will discover how the Sun creates and controls the heliosphere by flying closer than ever before to the Sun. The mission will study the Sun's magnetic field and solar activity, including coronal mass ejections that can affect Earth.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

NASA Goddard engineers testing Webb Telescope's OSIM and BIA instruments

Several critical NASA components are being tested to ensure the success of the James Webb Space Telescope. The OSIM and BIA instruments will simulate the telescope's science cameras and spectrographs, while also verifying their functionality in cryogenic temperatures. This testing program is essential for the mission's success.

GOES satellite movie tracked tornadic Texas trouble

A powerful weather system moved through eastern Texas, dropping at least 15 tornadoes in the Dallas suburbs. The NOAA's GOES-13 satellite captured the movement of the storm system, showing the progression of the frontal system that generated the twisters.

NASA Space Network to begin new design phase for ground segment

The NASA Space Network Ground Segment Sustainment project is upgrading the network's ground communications infrastructure with new, cutting-edge technology. The new architecture will enable easier technology refreshes, increased customer data rate capabilities, and lower operations costs.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

NASA GPM satellite's dual-frequency precipitation radar arrives at Goddard

The Dual-Frequency Precipitation Radar has arrived at NASA's Goddard Space Flight Center, providing three-dimensional measurements of raindrop shapes and sizes to better understand storm physical properties. This instrument will be integrated into the GPM Core Observatory, enabling more accurate precipitation estimates globally.

NASA and CSA robotic operations advance satellite servicing

A NASA experiment aboard the International Space Station has demonstrated remotely controlled robots can perform precise satellite-servicing tasks in space, marking a milestone in technology test bed use. The project is expected to reduce risks and encourage future robotic servicing missions, paving the way for satellite repair, refuel...

Robotic refueling mission begins with space station robotics

The NASA Robotic Refueling Mission (RRM) successfully demonstrated robotic satellite-servicing technology on the International Space Station, marking a significant milestone in space technology advancement. The mission used the Canadian Dextre robot and RRM tools to perform tasks such as gas fittings removal and satellite refueling.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.