A new NASA study using Apollo lunar soil samples challenges a long-held theory. It suggests meteorites were not the primary ...

NASA is moving into a new phase of space exploration, with major progress across human spaceflight, science missions, and ...

A distant Sun-like star suddenly went dark for months, stunning astronomers who quickly realized something massive was ...

This is a repost! Thank you to everyone who pointed out our error in the previous version. Hosted by: Hank Green (he/him) ...

Explore four hypothetical worlds that could be more suitable for humans than Earth, based on current research and simulations ...

The Earth channels cosmic power in the form of solar energy. The coming winter superstorm shows just what havoc that power ...

The Moon is a pretty peculiar object. It is believed that it formed from the incredible collision between the proto-Earth and ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

Astronomers have observed a Sun-like star dim dramatically for nearly nine months after being obscured by a vast cloud of gas and dust. A huge cloud filled with vaporized metals has been spotted ...