Our lives are surprisingly dependent upon this extremely light and unreactive gas, yet supplies of it are remarkably fragile.

Our lives are surprisingly dependent upon this extremely light and unreactive gas, yet supplies of it are remarkably fragile.

Once thought a block of worthless ice, this continent is in fact incredibly valuable and plays a key role in stabilizing Earth’s climate.

New images released by NASA have revealed an ambitious spacecraft's landing site during its recent mission to the lunar ...

A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the ...

SpaceX launched the private Fram2 mission Monday (March 31), sending a crew of four spaceflight rookies into an orbit never ...

Billionaire entrepreneur Elon Musk on Tuesday reshared images of the first views of Earth's polar regions captured by ...