A team of astronomers has uncovered an unexpectedly complex and dynamic filamentary network within a very-high-velocity cloud ...

Fallstreak holes, also called cavum, sometimes occur when airplanes fly through certain clouds high in the atmosphere.

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our ...

A surprising discovery at the heart of the Milky Way is forcing scientists to rethink how massive structures called Fermi ...