Until about 10 years ago, it was pretty obvious what a comet was and what a comet wasn’t. Now, that’s changing …
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.
A new analysis suggests that sunlight – not chemicals beneath Jupiter’s clouds – give the Great Red Spot its ruddy color.
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.
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.
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.
Watch three astronauts aboard the ISS having fun with a GoPro and a floating ball of water.
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!
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!
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?