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 ...

US astronaut Nichole Ayers snapped an astounding photo of a red sprite lighting up the sky above Earth. This remarkable shot ...

The Expedition 73 and Axiom Mission 4 crews spent their first of two weeks together conducting science aboard the International Space Station.

An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...