The Expedition 73 crew unpacked a newly arrived cargo craft, wrapped up a second week of science with an visiting crew of ...

Red sprites are among a class of enigmatic weather phenomena that appear over thunderstorms, known as Transient Luminous ...

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

NASA’s astronaut, Nichole “Vapor” Ayers, has photographed a spectacular atmospheric event – a large red ‘jellyfish’ sprite ...

Students in Southern Florida will have the chance Monday, July 14 to hear astronauts on the International Space Station ...

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

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

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

U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...

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

“They appear moments after a lightning strike—a sudden reddish flash that can take a range of shapes, often combining diffuse ...

NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...