A 2011 astronaut photo shows off a series of colorful mini-lakes that appeared around the edge of a giant salt flat, known as ...

Learn about the particles showering down on Earth and how scientists find them at annual Arthur H. Compton Lecture series ...

If an object were to break into the Earth's atmosphere, it's likely to be one of two things: space junk or a rare meteorite.

The northern lights, or aurora borealis, could not only be viewable in 19 U.S. states this week, but also have the potential ...

The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

Rogue moons drifting through space may host long-lived oceans for up to 4.3 billion years, expanding where scientists search ...