Anne McClain and Nichole Ayers achieved most of their planned tasks on today's (May 1) 5-hour, 44-minute extravehicular ...

NASA’s Power to Explore Challenge asks students to create a mission to a moon using radioisotope power systems.

NASA astronauts Anne McClain and Nichole Ayers made headlines as they stepped out of the International Space Station for a ...

China and USA race to develop space-based solar power technology that could provide unlimited clean energy to Earth, ...

Two NASA astronauts steppes outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's fifth-ever all-female spacewalk.

NASA astronauts Colonel Anne McClain and Major Nichole Ayers leave the International Space Station for almost 6 hours to to ...

NASA astronauts Anne McClain and Nichole Ayers completed a nearly six-hour all-female spacewalk, moving an antenna and assembling hardware for new solar arrays. They hit most goals, with some tasks ...

Their primary tasks included relocating a communications antenna used for contact with approaching and departing spacecraft, ...

The National Science Foundation’s Daniel K. Inouye telescope debuted a close-up of the sun captured by its new, ...

NASA astronauts Anne McClain and Nichole Ayers will perform the fifth all-female spacewalk to prepare the space station for ...

Two NASA astronauts ... but more efficient, solar arrays will boost electricity generation capability by up to 30%, increasing the station's total available power from 160 to up to 215 kilowatts.