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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

RapidScat shows Enrique holding tropical storm status

NASA's RapidScat instrument detected tropical storm-force winds in Tropical Storm Enrique on July 16, contradicting a forecast that the system would weaken. The storm is moving west-northwest at 8 mph and may turn west by Friday.

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.

RapidScat shows a dying Post-Tropical Storm Claudette

Post-Tropical Storm Claudette's winds weaken significantly due to cold sea surface temperatures, according to NASA's RapidScat measurements. The storm's intensity is predicted to drop rapidly as it moves northward over the Northern Atlantic Ocean.

NASA's RapidScat measures Typhoon Halola's concentrated winds

Typhoon Halola's strongest sustained winds were concentrated around its center and reached near 30 meters per second, extending only 15 nautical miles from the center. The storm is expected to slowly intensify and pass just south of Wake Island on July 16.

Tropical Depression Chan-Hom makes landfall

Tropical Depression Chan-Hom made landfall just south of Pyongyang, North Korea, on July 12. The depression weakened to a remnant low pressure area and is expected to dissipate by July 14.

Apple iPhone 17 Pro

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

NASA missions monitor a waking black hole

Astronomers monitor the outburst of V404 Cygni, a black hole firing up in an X-ray nova. The data collected will help determine the type of object at its heart, providing insights into these rare events.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

NASA sees Tropical Storm Noul strengthening, organizing

Tropical Storm Noul has strengthened and become more organized, with sustained winds reaching up to 65 knots (74.8 mph) north of its low-level center. The storm is now moving west-southwest at a slow pace and is expected to reach typhoon strength near Yap on May 6.

A blueprint for clearing the skies of space debris

A new space-based system combines a super-wide field-of-view telescope with a high-efficiency laser to track and deorbit centimeter-sized space debris. The system, proposed by RIKEN scientists, could remove most of the debris within five years of operation.

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.

NASA covers Super Typhoon Maysak's rainfall, winds, clouds, eye

NASA's fleet of satellites captured stunning views of Super Typhoon Maysak's eye and powerful thunderstorms. The storm dropped rain at a rate of over 70 mm per hour northwest of its well-defined eye. Maysak was moving west-northwest towards the Philippines, where it is expected to make landfall on April 4.

The electric eye of Cyclone Bansi

Astronauts on ISS captured stunning night image of Cyclone Bansi in January 2015, revealing brilliant lightning around its eye. The cyclone reached category 4 strength before weakening into an extra-tropical system.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

NASA measured nor'easter's powerful winds from space

The ISS-RapidScat instrument provided forecasters with wind speed data on the hurricane-force nor'easter. The storm brought heavy snow and blizzard conditions to the Northeast region, with sustained winds reaching up to 35 meters per second (78.2 mph/126 kph).

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.

Space travel is a bit safer than expected

The MATROSHKA experiment found that doses of cosmic radiation inside the International Space Station were lower than those recorded by astronauts' personal dosimeters. In open space, the overestimation was even higher, exceeding 200%.

Hepatitis C virus proteins in space

Two researchers from the Technical University of Munich have won an International Space Station Research Competition to study the structure of Hepatitis C virus proteins in microgravity. The project aims to identify new targets for medications and could lead to breakthroughs in treating the disease, which is prevalent in Egypt.

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.

Where to grab space debris

MIT researchers developed an algorithm to gauge space debris rotation using visual information, achieving high accuracy in most measures. The algorithm's probabilistic approach and Gaussian distribution modeling enable efficient collection of space trash, including thousands of broken satellites.

How much gravity is enough?

A new study suggests that the reason for astronauts falling on the lunar surface might be due to insufficient gravity, which affects perception of 'up'. The study found that a 15% gravity level is needed to influence orientation judgment, close to what's found on the moon.

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.

2013's most compelling International Space Station results announced

Researchers on the International Space Station made significant discoveries about the effects of microgravity on the human body, including protein crystal growth and wound healing. Their work has the potential to improve pharmaceutical treatments and advance our understanding of diseases.

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.

May the force (shoes) be with you

Researchers will use the ForceShoe to measure exercise loads and ground reaction forces, aiming to understand how joint forces differ between Earth-based exercises and those in microgravity. The goal is to recommend optimal exercise regimens for safe bone and muscle strength maintenance during spaceflight.

NASA boards the 3-D-manufacturing train

NASA is exploring the potential of additive manufacturing, also known as 3D printing, to create customized spacecraft and instrument components. The agency has launched several formal programs to prototype new tools using this emerging technology.

Houston we have a problem: Microgravity accelerates biological aging

A new study published in The FASEB Journal found that microgravity accelerates biological aging, causing inflammation among endothelial cells, which leads to atherosclerosis and cell senescence. The research highlights the challenges of sending humans deeper into space for longer periods.

NASA's Firestation on way to the International Space Station

The Firestation experiment will study the link between lightning and terrestrial gamma ray flashes (TGFs), which are brief but intense bursts of gamma rays produced in Earth's atmosphere. The study aims to understand the cause and effect mechanisms behind TGFs and their relationship with lightning.

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.

NRL space test program experiments ship to Japan for flight to the ISS

The STP-H4 payload complement includes three NRL experiments: SWATS, MARS, and GLADIS, which will investigate space weather and its impact on military and civilian systems. The experiments aim to improve forecasting capabilities and provide two-way communications for various sensor arrays.

NASA's robotic refueling demo set to jumpstart expanded capabilities in space

NASA's Robotic Refueling Mission aims to demonstrate robotic refueling in space, which could add years of functional life to satellites and expand options for operators. The mission will employ the Canadian-built Dextre robot and NASA's RRM module to simulate robotic refueling, with a focus on improving satellite servicing capabilities.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Cheering microbes into space

A team led by UC Davis Professor Jonathan Eisen and graduate student Wendy Brown will send microbes to the International Space Station to study their growth. The project aims to involve the public in science, especially those not normally engaged, through a competition where samples from different environments are compared.

Exercise has benefits, even when it's done in space

Researchers found that lengthy spaceflight affects cardiovascular responses, but the intensive exercise routines on these missions keep mechanisms well-prepared for return to Earth. The study tested six astronauts on long-term missions aboard the International Space Station.

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 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.

How do you fight fire in space? Experiments provide some answers

Research on the International Space Station aims to better understand fuel combustion and improve fire-fighting techniques in space. The experiments, led by Professor Forman Williams, investigated the behavior of fuels in different atmospheric conditions and pinpointed the limiting oxygen index for methanol and heptane.

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.

Iowa State chemists help astronauts make sure their drinking water is clean

A team of Iowa State researchers has developed a new method for analyzing drinking water samples in space, using colorimetric solid phase extraction to detect iodine and silver concentrations. The innovative technology will enable astronauts to quickly assess the safety of their drinking water in real-time.

Filling the pantry for the first voyages to the Red Planet

The first manned mission to Mars poses significant challenges in provisioning astronauts with food, including weight, nutrition, and psychological factors. Bioregenerative systems that involve growing crops could supply food, oxygen, and purify air, while shipping bulk commodities is another option.

Drug potency -- what happens in space?

Pharmaceuticals flown on space missions may have shorter shelf-life due to radiation and vibration, according to a NASA study. The researchers found that exposure to chronic low-dose ionizing radiation and repackaging of solid medications can compromise stability.

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.

Breaking the logjam: Improving data download from outer space

Researchers used the International Space Station to test reconfigurable field-programmable gate arrays (FPGAs) and power converters, providing insights into high-energy radiation effects on computing electronics. The experiments aimed to mitigate potentially crippling effects in future processing-architecture designs.

3 payloads built by CU-Boulder set for launch on space shuttle Atlantis

Three CU-Boulder-built biomedical payload devices will study microbial biofilms in space, aiming to improve astronaut health and understand gene and protein changes in pathogens. The experiments, led by Rensselaer Polytechnic Institute, will examine microbe growth and interactions in space vs. normal gravity.

NRL's MISSE7 launched aboard STS-129

The experiment aims to understand the durability of advanced materials and electronics when exposed to vacuum, solar radiation, atomic oxygen, and extreme temperatures. The results will provide insights into increasing the performance and useful life of next-generation satellites and launch systems.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Goddard team develops new carriers for space station

The Goddard team designed and built five ExPRESS Logistics Carriers (ELCs) to deploy experiments in space without a separate satellite. The ELCs will also serve as parking fixtures for ISS hardware, streamlining future missions.

University of Colorado butterfly payload to launch Nov. 16 on space shuttle

The University of Colorado is launching a butterfly experiment on the International Space Station on November 16, monitoring the growth and development of monarch and painted lady butterflies in weightless conditions. Thousands of K-12 students across the nation will compare the results with similar experiments on Earth.

Water quality in orbit

The University of Utah has developed a two-minute water quality monitoring method that uses a handheld color sensor to detect iodine or silver levels in drinking water. The system is designed to be simple, low-cost and safe for use on the International Space Station.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

CU-Boulder, NASA test new 'space Internet' system on International Space Station

The University of Colorado at Boulder is developing a new communications technology called Disruption Tolerant Networking (DTN) with NASA, which will extend Earth's Internet into outer space and across the solar system. The technology enables automated future communications capabilities for lunar habitation and surface exploration.