Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

Watch the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA ...

It's a welcome, neat update for Google Earth's 20th anniversary, and it was previously available only on Google Maps. Google also added a tool that lets users look at historical satellite imagery.

Explore the 7 Wonders of the Universe visible from Earth, including the Moon, Saturn’s rings, and the Andromeda ...