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NASA

Artist’s concept of the twin satellites in the GRACE program
Posted inResearch Spotlights

Fresh Approaches to Processing GRACE Data

Sarah Derouin, Science Writer by Sarah Derouin 24 March 202221 December 2022

Two studies showcase new methods for analyzing GRACE data that better match the land surface, producing clearer estimates of mass variations.

The Gulf of Carpentaria in northern Australia
Posted inResearch Spotlights

Satellites’ Lasers Reveal Changes in Earth’s Water Movement

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 March 202227 April 2022

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.

Simulation of ions escaping the Martian atmosphere
Posted inResearch Spotlights

测量火星大气中的碳离子损失

by Morgan Rehnberg 10 March 202210 March 2022

NASA的MAVEN探测器观测到的碳通量与模型相符,比氧离子低1到2个数量级。

An artist’s rendering of TOI-2180 b
Posted inNews

At-Home Astronomers Help Discover a New, Unique Exoplanet

by J. Besl 2 March 20222 March 2022

Amateur astronomers sifting through NASA’s public data uncovered a long-orbit gas giant that could help scientists understand how these planets form.

Simulation of ions escaping the Martian atmosphere
Posted inResearch Spotlights

Measuring Carbon Ion Loss from the Martian Atmosphere

by Morgan Rehnberg 8 February 202210 March 2022

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.

A selfie of NASA’s Curiosity rover, in the northwestern part of Gale crater
Posted inResearch Spotlights

Scientists Turn Back Time to Track Methane Emissions on Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 14 January 202224 April 2024

Period spikes of methane on Mars could originate inside Gale crater, where NASA’s Curiosity rover is currently exploring.s

An image of lake-floor sedimentary deposits from Mars’s Gale crater
Posted inResearch Spotlights

Machine Learning Algorithms Help Scientists Explore Mars

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 12 January 202224 April 2024

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.

The Amazon River and its tributaries as seen from the International Space Station
Posted inResearch Spotlights

The Perspective from Space Unlocks the Amazon Water Cycle

Aaron Sidder, freelance science writer by Aaron Sidder 23 December 202126 April 2022

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.

An atmospheric river drenches California with heavy rain in 2019.
Posted inNews

Atmospheric Rivers Spur High-Tide Floods on U.S. West Coast

by Guananí Gómez-Van Cortright 17 December 202130 January 2024

Researchers analyzed 36 years of data to understand how atmospheric rivers and other factors drive chronic coastal flooding.

Concept art of the Gravity Recovery and Climate Experiment (GRACE) satellite
Posted inNews

Can NASA’s Gravity Satellites Detect Motions in Earth’s Core?

by Megan Kalomiris 15 December 202120 April 2022

Measurements of our planet’s gravitational field could expose processes in the fluid outer core—if scientists can decipher the signals.

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Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
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First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
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Decoding Crop Evapotranspiration

6 May 20256 May 2025
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