Doomed Mars lander wasn't equipped for supersonic conditions
Conditions during the Mars descent were more severe than anyone expected.
NASA seeks comet 'crumbs' with a new detection technique
LISA Pathfinder could map the trails of comet dust in the Solar System.
Watch the ESA trace 2 million stars' journey across the skies
Our descendants sure won't see the same constellations we do.
Lights out on a ghostly James Webb Space Telescope inspection
Newly discovered star remnants are the brightest ever seen
NGC 5907 X-1 is also the furthest pulsar ever observed.
Astronaut filmed elusive blue lightning aboard the ISS
And the video is quite mesmerizing.
Japan's space junk collection experiment ends in failure
The Kounotori 6 spacecraft burned up upon atmospheric reentry early Monday.
Magnetic fields could explain an 'erratic' neutron star
Scientists have a theory for Rapid Burster's unusual X-ray blasts.
Game developers take a stand against Trump's immigration ban
Several discounted their games and donated proceeds to the ACLU.