Close your eyes and picture what the Earth looks like. You're probably picturing a circle, mostly blue thanks to the ...

Kendra Pierre-Louis at 10:00 AM Jun 6 2017

A supermassive black hole lurks at the center of our galaxy, but we've never seen it. We know it's there, and that ...

Sarah Fecht at 11:22 AM Apr 7 2017

It's still on Earth for the next two years, but the James Webb Space Telescope turned around to face the world this ...

Samantha Cole at 11:00 AM Oct 7 2016

The dramatic announcement that a small rocky planet might exist in the nearest star system to the sun, Alpha ...

Charles Q. Choi at 10:52 AM Aug 26 2016

Five years, $180 million, and 500 meters after starting, the Chinese Academy of Sciences put the final panel into ...

Samantha Cole at 10:42 AM Jul 6 2016

There are secrets space can't keep. When the National Reconnaissance Office launched an object into space earlier ...

Kelsey D. Atherton at 12:47 PM Jun 24 2016

Mercury passed in front of the sun today. It was the first time that Mercury had passed between Earth and the Sun ...

Mary Beth Griggs at 12:01 PM May 11 2016
 
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