Measurements of our planet’s gravitational field could expose processes in the fluid outer core—if scientists can decipher the signals.
NASA
Posted inNews
NASA Prepares Its Artemis Gateway to Orbit the Moon
Throughout its anticipated 15-year tour of duty, the Gateway will serve as a station for astronauts and lunar landers—and enable new scientific discovery.
Posted inNews
Scientists Plan a Home Away from Home for Mars Samples
The core tubes being collected by the Perseverance rover won’t arrive for years, but NASA and the European Space Agency are outlining needs for a facility to assess their safety and store and distribute them.
Posted inResearch Spotlights
A Transition Zone Below Jupiter’s Clouds
The microwave radiometer aboard NASA’s Juno spacecraft reveals the hidden atmospheric circulations at work deep below Jupiter’s colorful clouds.
Posted inEditors' Highlights
ICESat-2 Adds Estimates of Sea Level Trends to Accomplishments
The high spatial resolution and high orbit of ICESat-2 make it suited for measuring sea level close to the coast and in the polar regions, filling a gap in our sea level observational system.
Posted inScience Updates
Anticipating Climate Impacts of Major Volcanic Eruptions
NASA’s rapid response plan for gathering atmospheric data amid major volcanic eruptions, paired with efforts to improve eruption simulations, will offer better views of these events’ global effects.
Posted inNews
Testing on the Tundra: NASA Snow Program Heads North
With infrastructure, experience, and a slice of the world’s largest snow biomes, Alaska is an essential research destination for NASA’s multiyear SnowEx campaign.
Posted inFeatures
Overture to Exoplanets
The curtain is about to rise on the James Webb Space Telescope. Let’s see what’s in store for its opening act.
Posted inEditors' Vox
Wheels Down for NASA’s Operation IceBridge
Over a 13-year period, almost a thousand flights surveyed land and sea ice across the Arctic, Antarctic, and Alaska, providing unique insights into how the polar regions are changing.
Posted inResearch Spotlights
Juno Detects Jupiter’s Highest-Energy Ions
Trapped ions discovered at midlatitudes can have energies exceeding 100 megaelectron volts per nucleon. Their detection adds to our understanding of the powerful radiation environment around Jupiter.