Ohio police say a rare gold replica of the lunar space module has been stolen from the Armstrong Air and Space Museum.

If you can find a plane, you'll have the best eclipse experience ever. 

NASA has delayed the launch of a major communications satellite by more than two weeks to replace a damaged antenna.

SpaceX's chief says the first launch of its big new rocket is risky and stands "a real good chance" of failure.

The first half of 2017 was the second warmest on record for Earth, only behind last year.

NASA's newest, slickest communications satellite has been damaged, just three weeks before its planned August launch.

Thanks to a geomagnetic storm from the sun, skywatchers across most of Canada and the northern U.S. should get a special treat Sunday night into Monday morning: A visit from the aurora borealis, aka the Northern Lights.

Researchers running highly detailed simulations using satellite images, radar and ground-based weather stations were able to predict a specific violent storm 90 minutes before it hit a western Oklahoma town and killed a man two months ago.