Two studies showcase new methods for analyzing GRACE data that better match the land surface, producing clearer estimates of mass variations.
NASA
Posted inResearch Spotlights
Satellites’ Lasers Reveal Changes in Earth’s Water Movement
The laser-based instruments aboard the GRACE-FO satellites may be extended to other geophysical applications to collect data on other submonthly mass changes in Earth’s system.
Posted inNews
At-Home Astronomers Help Discover a New, Unique Exoplanet
Amateur astronomers sifting through NASA’s public data uncovered a long-orbit gas giant that could help scientists understand how these planets form.
Posted inResearch Spotlights
Measuring Carbon Ion Loss from the Martian Atmosphere
The flux, observed with NASA’s MAVEN spacecraft, is in line with models and 1–2 orders of magnitude lower than that of oxygen ions.
Posted inResearch Spotlights
Scientists Turn Back Time to Track Methane Emissions on Mars
Period spikes of methane on Mars could originate inside Gale crater, where NASA’s Curiosity rover is currently exploring.s
Posted inResearch Spotlights
Machine Learning Algorithms Help Scientists Explore Mars
Researchers applied machine learning algorithms to several distinct chemical compositions of Mars and suggest that these algorithms could be a powerful tool to map the planet’s surface on a large scale.
Posted inResearch Spotlights
The Perspective from Space Unlocks the Amazon Water Cycle
Satellite imaging and remote sensing offer unique insights into the Amazon’s complex hydrology. A new review summarizes decades of findings and charts a path forward for new remote sensing missions.
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Atmospheric Rivers Spur High-Tide Floods on U.S. West Coast
Researchers analyzed 36 years of data to understand how atmospheric rivers and other factors drive chronic coastal flooding.
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Can NASA’s Gravity Satellites Detect Motions in Earth’s Core?
Measurements of our planet’s gravitational field could expose processes in the fluid outer core—if scientists can decipher the signals.