NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

10 arrested after ambush on Texas ICE detention facility, officials say Kelsey Parker urges fans to 'be kind' as she shares ...

Once a realm of imagination and stargazing, the Solar System has now been revealed in stunning clarity through decades of ...

Arsia Mons, which dwarfs Earth’s tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...