The flight to Reykjavik from Amsterdam jumpstarted all the excitement when the pilot asked passengers to look out the window ...

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video NASA's Curiosity ...

There have been times when pilots flew around looking for the airport, which was hidden as it blended into the monochromatic ...

While the Martian clouds may look like the kind seen in Earth’s skies, they include frozen carbon dioxide, or dry ice.

Astronomers have studied 3,600 supernovas to discover diversity in exploding white dwarf stars, a vital tool in the ...

Twilight clouds were first observed on Mars by NASA's Pathfinder mission in 1997. This rare atmospheric phenomenon has not ...

It’s content to be just one long, sick joke without a punchline, designed to occasionally punctuate a stylishly nihilistic ...

We’re having such a beautiful winter on the Gunflint Trail. The snow is fresh and deep. Today the sky was a pale blue with a few hazy clouds. Even though it was just seven degrees above zero, the sun ...

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

The Italian island of Sardinia sits in the middle of the Tyrrhenian Sea, gazing at Italy from a distance. Surrounded by a ...