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Watch today’s comet landing live online
NASA and ESA will provide live online coverage of the November 12 Rosetta mission’s scheduled landing of a probe on a comet. Here's how to watch.
November 12, 2014
What makes Jupiter’s Red Spot red?
A new analysis suggests that sunlight - not chemicals beneath Jupiter’s clouds - give the Great Red Spot its ruddy color.
November 11, 2014
Extraterrestrial oceanography reveals depths of Titan sea
The Cassini spacecraft - which has been orbiting Saturn since 2004 - used radar to sound the depths of a sea of liquid methane and ethane on Saturn's large moon Titan.
November 11, 2014
Three cool images of a comet’s night side
The dayside images of Rosetta's comet have been fantastic. Now, thanks to backscatter of sunlight from the comet's coma, we're seeing amazing nightside images.
November 10, 2014
Dramatic attempt to land on a comet coming Wednesday
Rosetta spacecraft will do the equivalent of transferring an object from one speeding bullet to another, when it tries to place its Philae lander on its comet.
November 10, 2014
Video: Astronauts put GoPro in floating water ball
Watch three astronauts aboard the ISS having fun with a GoPro and a floating ball of water.
November 10, 2014
Spectacular meteor shower on Mars from Comet Siding Spring
Several craft orbiting Mars saw its aftermath. Also, after Siding Spring passed, the MAVEN mission got the first direct measurements of dust from an Oort Cloud comet!
November 10, 2014
Bright fireball seen over San Antonio, Texas
Hundreds of sky watchers in Texas reported a bright meteor or fireball Saturday night. It was said to be greenish in color and to rival the brightness of the sun!
November 9, 2014
Curious about dark matter? Three scientists answer your questions
Why do you bet on axions or WIMPs?
If you find dark matter, what are the next steps?
Will we need a whole new "Dark Standard Model"?
What's it like searching for something you may never find?
November 9, 2014
New rocket findings might change definition of galaxies
Galaxies might not have such discreet boundaries as we imagined. Instead, they might stretch out to great distances, forming a vast, interconnected sea of stars.
November 8, 2014
