Scientists found that summer storms in the Southeast drop more rainfall on weekdays than weekends. The study suggests that atmospheric pollution from humans may be driving this trend, as pollution levels peak midweek.
The GRACE-Team received the William T. Pecora Award for their groundbreaking work in determining the global water balance of continents through satellite measurements. This achievement provides a reliable dataset for understanding climate change, as highlighted by Professor Reinhard Hüttl.
Millions of satellite television users in North Africa and the Middle East now have access to accurate atomic time, thanks to a custom-built time signal generator from NIST. The device provides both time data and audio reports, including Daylight Saving Time corrections and leap year warnings.
Satellite technology has enabled us to monitor the effects of deforestation and climate change. However, there are concerns about the weaponization of space and the creation of space junk.
A satellite tracking study by The University of Queensland, Australia Zoo and Queensland Parks and Wildlife Service found that saltwater crocodiles can swim long distances for days on end. Three relocated crocodiles were tracked swimming between 10 and 30 km per day.
Scientists used satellite images to show a link between rapid city growth and changes in rainfall patterns, including decreased precipitation in winter months. The study found that urbanization can lead to desertification and deforestation, threatening wetland health.
The Aeronomy of Ice in the Mesosphere (AIM) satellite has captured the first occurrence of mysterious iridescent polar clouds. The clouds form during the Northern Hemisphere's summer season and are being seen more frequently at lower latitudes than ever before. Preliminary information suggests a connection with global climate change.
Researchers warn of vulnerability to satellite attacks due to low technical barriers, threatening global positioning systems, weather satellites, and more. With a college-level team and intermediate-range missiles, amateurish yet effective attacks can be launched.
A new online effort by Amnesty International USA uses high-resolution satellite images to track the status of settlements in the war-torn Darfur region. The project provides evidence of destroyed villages and allows users to visually track the status of settlements considered possible targets of attack.
A team of researchers successfully linked surgeons to robots via a 4,000-mile satellite connection, improving the quality of minimally invasive surgery. The study found that virtual reality prediction would greatly aid this type of surgery, paving the way for new efficient healthcare services.
Researchers have discovered two types of satellite cells in muscle that behave like stem cells, allowing them to regrow and repair muscle tissue. These findings could lead to new treatments for muscle-wasting diseases and potentially even help maintain muscle mass with age.
The US Naval Academy is partnering with NASA to build a satellite called MidSTAR-2, which will carry four experiments into space in 2011. The satellite will study the Earth's thermosphere, gamma rays, and solar winds, providing valuable insights into these phenomena.
Satellite imagery revealed a significant decline in Himalayan glacier thickness by up to 10 meters between 2000 and 2004. The research used digital field models to compare NASA and French satellite data, resulting in an average annual mass balance of -0.7 to -0.85 meters per year for the studied region.
The new Georgia Tech satellite engine uses solar power and fine-tuned exhaust velocity to reduce fuel consumption by up to 40 percent. This allows for more payload in orbit and potentially lower launch costs.
Scientists recreated Tropical Storm Gert's life cycle using computer models and data from the 2005 Tropical Cloud Systems and Processes mission. The study identified convection, wind shear, and ocean surface temperature as crucial factors in Gert's origination and strengthening.
U-M researchers found that digital mammograms transmitted via satellite to radiologists in Ann Arbor, Mich., resulted in improved delivery of traditional mobile mammography services. The service allowed Native American women to receive timely follow-up care, with 72% of those needing additional images getting tested within three days.
The AKARI satellite's far-infrared survey has provided unprecedented views of the Large Magellanic Cloud, a dwarf galaxy orbiting our own. The images reveal copious star formation activity across the galaxy, with many stars currently being formed, indicating a 'star burst'.
A new study reveals a significant decline in Arctic winter sea ice cover, with losses of six percent per year over the last two winters. This reduction is attributed to rising greenhouse gas emissions and warmer temperatures, posing a threat to marine ecosystems.
The first satellite built in Montana, MEROPE, was destroyed when a Soviet-era intercontinental ballistic missile it was riding on crashed in Kazakhstan. The launch failure occurred just 13 minutes after liftoff and resulted in the loss of nearly 100 MSU students' hard work.
A global survey of coral reefs, built using NASA satellite images, found that only a handful of marine protected areas provide effective protection for fish species and marine life. The study highlights the need for larger reserves to protect these ecosystems.
Satellite images from ESA's ENVISAT and NASA's Aura Satellite reveal a UK record heatwave and significant increases in nitrogen dioxide pollution. The data shows extreme temperature and pollution effects on large conurbations, while smaller cities display more moderate levels.
The CALIPSO satellite will provide detailed information on atmospheric particles, including aerosols and subvisible cloudiness. The mission aims to establish the impact of these factors on climate change, with scientists expecting up to 10% coverage of the Earth's atmosphere to be a concern.
Scientists track Caspian Sea sturgeons using satellite technology for the first time, providing critical data for conservation efforts. The study aims to learn more about species biology and behavior, challenging long-held assumptions and contributing to better management of endangered populations.
Scientists have new evidence for the 'inflation' scenario that describes the universe's sudden growth from submicroscopic to astronomical size in its first trillionth of a second. The WMAP satellite data show a faint polarization signal, which was weaker than expected, but still supports the inflation prediction.
After two months of tweaking, FUSE's control system resumed operations at an efficiency comparable to earlier in the mission. The satellite has obtained significant science data on various celestial objects, including discovering a hot gas halo around the Milky Way galaxy.
Satellite and side population cells, a major source of muscle repair cells, arise from somites in the embryo. These cells are better at forming muscle than those not produced by somites, offering new hope for treating Duchenne's muscular dystrophy.
Researchers using Aura's nearly up-to-the-hour data track important pollutants like ozone and nitrogen oxide. The satellite provides better predictions of future climate change by monitoring ice in clouds, which affects solar energy reflection and radiation trapping.
The Swift satellite has received a "Best of What's New" award for its innovative technology, enabling rapid detection and follow-up observations of gamma-ray bursts. This breakthrough has confirmed the origin of gamma-ray bursts and helped pinpoint the birth of a special kind of black hole.
Researchers detected 'milky seas' in the northwest Indian Ocean using satellite data from the Defense Meteorological Satellite Program. The glowing waters were found to last at least three nights and span an area roughly the size of Connecticut, with boundaries matching surface ship reports.
Satellites have recorded a significant loss in Arctic sea ice extent, with the minimum concentration reaching 2.05 million sq. miles in 2005. The decline is attributed to warming trends and climate changes, which are expected to continue due to projected Arctic warming.
The Arctic sea ice has been declining at an accelerating rate since the 1990s, with temperatures increasing and causing earlier springtime melting. The lowest sea-ice extent yet recorded was seen in September 2005, 20% lower than the previous average.
Researchers have developed a novel solar antenna that combines antenna functions and solar cells on a single surface, reducing weight and increasing efficiency. The technology has the potential to power homes and send/receive signals, improving data gathering capabilities in remote regions.
Scientists at NASA have developed a way to process radar data from the Tropical Rainfall Measuring Mission (TRMM) satellite, providing 3D snapshots of hurricanes. This allows forecasters to access information on heavy rainfall rates and cloud heights within three hours, helping them make more accurate forecasts.
New research reveals that nitrogen oxide emissions from soil are much greater than expected, totaling over 40 million metric tons annually, and surpassing fossil fuel combustion by up to 70%
The launch of NASA's satellite has been rescheduled for May 14. Coverage will be available on NASA TV starting at 4 a.m. EDT, and the satellite will be broadcast via AMC-6 and AMC-7 transponders.
NASA has postponed a scheduled satellite launch at Vandenberg Air Force Base in California. The launch, originally set for May 12, will now take place pending favorable weather conditions. NASA TV coverage is available online and via satellite.
The NOAA-N satellite will collect data on Earth's surface and atmosphere for weather forecasts, climate predictions, and search and rescue operations. With advanced imaging and sounding capabilities, the satellite aims to improve understanding of environmental changes worldwide.
Wildlife species are declining at an alarming rate due to habitat loss, poaching, and pollution. Scientists from the Wildlife Conservation Society (WCS) have developed a new method using satellite technology to monitor endangered populations in hard-to-reach locations.
Scientists are using NASA's ICESat satellite to measure the height of dynamic features such as ice sheets, glaciers, forests, and clouds. The satellite's laser instruments provide unprecedented accuracy in measuring changes in elevation, including accelerated glacier movement in Antarctica and thinner ice on West Antarctic ice sheet.
A team of researchers led by Qiang Fu validated satellite temperature data for global warming using direct measurements from the stratosphere. The results show that the troposphere has warmed at nearly one-third of a degree Fahrenheit per decade, consistent with climate models and surface temperature records.
The Wildlife Conservation Society (WCS) is using high-tech satellite maps to count and track endangered species, including elephants and giraffes. The project aims to help conserve wildlife populations living in hard-to-reach locations, such as the Serengeti and South America.
Researchers have made significant discoveries about the impact of human activities on the environment. A new study used satellite observations to estimate nitrogen oxide emissions from ships, which contribute approximately 23 gigagrams per year into the troposphere. Additionally, a seismic analysis technique has provided unprecedented ...
NASA has successfully tested artificial intelligence (AI) software that can detect and diagnose errors in satellite systems. The Livingstone Version 2 (LV2) software is being used to troubleshoot the NASA Earth Observing One (E0-1) satellite's instruments and systems, allowing for more efficient and effective maintenance.
Aura, NASA's latest Earth-observing satellite, was launched to study the health of the Earth's atmosphere, focusing on ozone layer recovery and climate change. The satellite will survey the atmosphere from the troposphere to the stratosphere, using four instruments to collect data on air quality and its impact on the planet.
Researchers at University of Arizona develop smart software to detect floods, volcanic eruptions and changes in ice fields on Earth. The software will also be used to study similar events throughout the solar system.
The CU-Boulder satellite's HIRDLS instrument will provide a clearer picture of the ozone layer's recovery and greenhouse gas distribution. With finer horizontal resolution and increased sensitivity, the instrument is expected to produce valuable data on climate change.
Hurricanes stimulate phytoplankton growth, leading to increased chlorophyll levels and carbon dioxide absorption. Bigger storms cause larger blooms, affecting the upper ocean's ecology and potentially influencing climate change.
Scientists from NASA's Terra satellite are tracking global air pollution trends, shedding light on how pollutants spread around the globe. The data reveals seasonal and annual variations in CO and aerosol levels, providing clues about Earth's changing climate.
New NASA technology enhances NOAA's weather forecasts by integrating satellite data and lightning tracking, leading to more confident seven-day severe local storm forecasts. This improved prediction capability can also enhance tornado warning lead times and better predict thunderstorm occurrence.
Researchers used satellites to create an 18-year record of global land surface temperatures, confirming that snow-free land surfaces have warmed. The satellite data provides a more detailed and comprehensive understanding of climate changes and will improve computer modeling.
Researchers at UC Davis are developing a system called GeoStreams that can analyze satellite data as it arrives, providing users with accurate and timely information. The system will enable fast-tracking of storms and efficient management of irrigation projects in California.
The SeaWinds scatterometer on NASA's QuikSCAT satellite provides ocean surface wind speed and direction measurements, leading to improved storm predictions at sea. This increased accuracy brings economic savings and reduces weather-related loss of life, especially in global shipping.
The $5 million Student Nitric Oxide Explorer (SNOE) satellite, launched in 1998, measured nitric oxide in the upper atmosphere affecting Earth's ozone layer and X-rays from the sun. SNOE re-enters atmosphere in early Dec., with most of it expected to burn up.
Research by Stanford researcher Thomas Rando and postdoctoral scholar Irina Conboy found that older muscles produce less Delta after injury, leading to slower regeneration. However, artificially activating Delta in older muscles restored regenerative ability comparable to younger muscle, suggesting a potential therapeutic target.
Researchers developed a new technique to detect melt pond coverage on Arctic sea ice using NASA's Landsat 7 satellite. This method improves the understanding of the Arctic heat balance and its impact on global climate.
NASA satellites sample critical 'ingredients' to predict hurricane formation, including sea surface temperature of at least 82 F, rotating winds, air temperature, and humidity. The data helps forecasters determine storm strength, location, and tracks.
The study improved forecast accuracy for a major winter snowstorm in Washington, D.C. and demonstrated the potential to enhance storm tracking and predict snowfall amounts.
Researchers found that lightning is the primary source of low-altitude ozone in the tropical Atlantic Ocean, defying previous expectations. The discovery was made using satellite data and computer models, which showed a significant increase in ozone levels near areas with intense lightning activity.
Researchers used satellite data and a computer model to study ozone formation, finding that lightning strikes in tropical Atlantic may be a major contributor. The study combined data from multiple NASA satellites and a Canadian computer model to make the surprising discovery.
A new study using satellite data found a global warming trend of 0.16°F per decade, closer to surface warming and computer-model simulations. The analysis improved upon previous results, accounting for errors in radiation sensor heating and satellite orbit drift.