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Faster-than-light travel: Are we there yet?
There's a cosmic speed limit that unfortunately means we won't be firing up warp drive anytime soon.
May 11, 2015
You are there! Sunset on Mars
A beautiful new timelapse showing sunset on Mars in mid-April, 2015, from the Mars Curiosity rover.
May 10, 2015
Geysers on Enceladus: Curtains not jets
Researchers thought Saturn's moon Enceladus had jet-like geysers. But the jets may be optical illusions, caused by looking through a "fold" in curtain-like geysers.
May 9, 2015
Asteroids and comets seed exoplanets with water
Earth's water likely came from asteroids and/or comets. New research suggests that small bodies in distant solar systems carry water to their planets, too.
May 9, 2015
Doomed Russian spacecraft burns up over Pacific
Roscosmos said the craft "ceased to exist" over the Pacific. The final time of reentry is 9:20 p.m. CDT (02:20 UTC), with an accuracy of plus or minus 1 minute.
May 8, 2015
Watch octopus squeeze through tiny hole
It's just cool, that's all. Watch this 40-second video of an octopus squeezing through a tiny hole to escape a box.
May 7, 2015
Atmospheric carbon dioxide hits record high
The global average concentration of the greenhouse gas surpassed 400 parts per million in March for the first time since record-keeping began.
May 6, 2015
Traffic around Mars gets busy
With five active spacecraft now orbiting the planet, NASA has beefed up its traffic monitoring to make sure the Mars orbiters don't get too close to each other.
May 6, 2015
Warm oceans triggered US Dust Bowl
Ocean hot spots in the Atlantic and Pacific were drivers of the hottest summers on record for the central U.S. in 1934 and 1936, suggest new study.
May 6, 2015
