These cloud formations aren’t terribly mysterious, despite their nearly perfect orientation across the sky. Cloud streets are simply long rows of cumulus clouds that develop parallel to the ...

An curved arrow pointing right. Astronomers have discovered a massive cloud of gas that's on a collision course with our home galaxy, the Milky Way. What will happen when it slams into our galaxy ...

Extraterrestrial theories aside, Twitter and Instagram users took some amazing shots of the sky following the rocket's launch, which was carrying a Navy communications satellite designed to help ...

By analyzing the movements of a mysterious cloud of sodium moving around the planet WASP-49 b, the team was able to construct ...

A rare satellite image captures Mount Vesuvius peeking through a strange cloud formation, raising curiosity about the volcano’s past and future threats. The image reveals the volcano’s vast ...

The launch was a complete success, but it left behind a strange, colorful, and oddly-shaped plume hanging in the sky - a departure from the typical narrow, cylindrical cloud left behind by other ...