Space NPR coverage of space exploration, space shuttle missions, news from NASA, private space exploration, satellite technology, and new discoveries in astronomy and astrophysics.

Astronaut Twins To Separate For The Sake Of Space Travel

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Saturn has a rocky surface, but it's deep beneath the clouds. That makes it hard to tell exactly how long the day is. NASA hide caption

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NASA

A Day's A Day The World Around — But Shorter On Saturn

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Smart phones contain a silicon chip inside the camera that might be used to detect rare, high energy particles from outer space. J. Yang/Courtesy of WIPAC hide caption

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J. Yang/Courtesy of WIPAC

Want To Do A Little Astrophysics? This App Detects Cosmic Rays

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NASA astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center on March 4 in Star City, Russia. Kelly, along with Russian cosmonaut Mikhail Kornienko of the Russian Federal Space Agency, are scheduled for launch Friday aboard a Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan. NASA/Bill Ingalls hide caption

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NASA/Bill Ingalls

NASA To Study A Twin In Space And His Brother On Earth

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Mars, anyone? Six researchers from the Mars Society sport their best space duds during this 2014 simulation of the conditions that explorers of the Red Planet might face. (From left) Ian Silversides, Anastasiya Stepanova, Alexandre Mangeot and Claude-Michel Laroche. Micke Sebastien/Paris Match via Getty Images hide caption

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Micke Sebastien/Paris Match via Getty Images

Are Humans Really Headed To Mars Anytime Soon?

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Planet: bottom of a glass containing half and half, water, food coloring. Moons: bottom of a glass containing coconut milk, water, food coloring. Stars: salt, cinnamon, baking powder, Tums. Navid Baraty hide caption

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Navid Baraty

New research suggests that Saturn's tiny moon Enceladus has warm oceans hiding beneath its icy crust. NASA/JPL/Space Science Institute hide caption

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NASA/JPL/Space Science Institute

Researchers Think There's A Warm Ocean On Enceladus

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Astronomers have known about Ceres for centuries, but they don't really know what to make of it. Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA hide caption

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Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

NASA Probe Reaches Orbit Around Dwarf Planet

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Rejected As A Mars One Astronaut Candidate, She's Turning To Plan B (Or M)

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