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Explore mind-blowing space facts in this video, including what would happen if we made a black hole on Earth, the ...

Think about space for a couple minutes, and it’s pretty cool. Think about space for a couple hours, and you might be on the verge of an existential crisis. Even if you want to fight your anxiety over ...

For most of 2012, Phil Plait of Bad Astronomy tweeted a random astronomy fact every day. To kick off 2013, you can read all of those facts in one place. Michelle Starr is CNET's science editor, and ...

Expedition 63 Commander Chris Cassidy (center) in July conducted his fourth spacewalk this year at the International Space Station. Cassidy has completed 10 spacewalks throughout his career for a ...