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Proposal to find and zap space debris
Tiny debris particles cause wear and tear on active satellites. A team wants to find it and zap it with a laser to cause its fall back into Earth's atmosphere.
May 11, 2015
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
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
X2 solar flare on May 5
The flare created a pulse of UV radiation and X-rays that caused a strong radio blackout over the Pacific.
May 6, 2015
Lunar Reconnaissance Orbiter drops nearer moon
Flight controllers at Goddard Space Flight Center completed a maneuver that lowered the spacecraft’s orbit to within 12 miles (20 km) of the moon's South Pole.
May 5, 2015
