Planet-hunter CubeSat images Los Angeles

A small satellite designed to hunt for new planets beyond the solar system recently looked down at Earth to capture an image of California's "City of Stars."

NASA's GRACE: What researchers have learned from water in motion

When you hear news about ice loss from Greenland or Antarctica, an aquifer in California that is getting depleted, or a new explanation for a wobble in Earth's rotation, you might not realize that all these findings may rely ...

NASA's MRO completes 60,000 trips around Mars

NASA's Mars Reconnaissance Orbiter hit a dizzying milestone this morning: It completed 60,000 loops around the Red Planet at 10:39 a.m. PDT (1:39 p.m. EDT). On average, MRO takes 112 minutes to circle Mars, whipping around ...

Studying DNA breaks to protect future space travelers

Earth's atmosphere shields life on the ground from cosmic radiation that can damage DNA. Astronauts in space have no such protection, and that puts them at risk. An investigation on the International Space Station examines ...

Staying healthy longer in space

Falling ill while traveling is an unfortunate yet common occurrence. Even a minor bug can ruin an entire trip. But for astronauts, getting sick on a long space voyage would have far more serious consequences than a little ...

Building better life support systems for future space travel

Astronauts on future long-duration spaceflight missions to the Moon and Mars could rely on microalgae to supply essentials including food, water and oxygen. A new investigation aboard the International Space Station tests ...

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