A NASA astronaut captured a fascinating weather phenomenon that still has scientists scratching their heads. Nichole Ayers is ...

A picture snapped from the International Space Station (ISS) by NASA astronaut Nichole Ayers has captured a lesser-seen view ...

Astronaut Nichole Ayers recently witnessed a phenomenon known as a sprite from the International Space Station.

NASA astronaut Matthew Dominick enjoys a fresh delivery of orange and other fruit on the International Space Station during ...