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Darn. No caverns on Rosetta’s comet
Low density of comets suggested there might be huge empty caves honeycombed throughout their interiors. Maybe true for some, but not so for Rosetta's comet.
February 4, 2016
New image of enormous black hole blast
It shows a giant jet of particles extending 300,000 light-years, blasting from a black hole at the center of a distant galaxy.
February 3, 2016
Watch cosmonauts’ spacewalk today
NASA TV will broadcast live coverage of a 5.5-hour spacewalk by two Russian cosmonauts aboard ISS beginning at 7:30 a.m. ET (1230 UTC) Wednesday.
February 3, 2016
Saturn ring density is an illusion
The most opaque parts of Saturn's rings - the parts that look most dense - don't always contain more material. Another great Saturn mystery!
February 3, 2016
What are the odds aliens exist?
The star KIC 8462852 continues to display strange behavior, baffling astronomers and prompting speculation - and these musings - about advanced aliens.
February 3, 2016
Monster gas cloud boomerangs back to us
Astronomers say the Smith Cloud will plow into the Milky Way in about 30 million years and ignite a spectacular burst of star formation.
February 2, 2016
Cassini’s plunge through Saturn’s rings
Cassini spacecraft prepares to plunge between Saturn's rings and the planet. Plus ... learn to see Saturn. Mars Curiosity rover's newest self-portrait. And more.
February 1, 2016
Take a colorful flight over dwarf planet Ceres
A new animation shows a simulated flight over the surface of dwarf planet Ceres, based on images from NASA's Dawn spacecraft.
February 1, 2016
Fungi survive Martian conditions on ISS
Antarctic fungi survive Martian conditions after being strapped on the outside of the International Space Station for 18 months.
February 1, 2016
Mars will be awesome in 2016
All the news you can fit into outer space LIVE on Slooh.com Mondays and Thursdays at 10:30 a.m. ET (1530 UTC). Or watch right here!
January 28, 2016
