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) ...

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 ...

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

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 ...

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

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

Remembered as a pioneering atmospheric scientist who bridged planetary science, climate policy, and undergraduate education, ...

Cancelled too soon, Earth 2 was gritty, serialized sci-fi before TV was ready for it. Thirty years later, it still stings.