NASA flight engineers Butch Wilmore and Suni Williams speak about their delayed return to Earth after their planned 8-day mission was extended by several months.

NASA and its commercial partners are working to build a habitable lunar outpost, which it calls "moon base." The moon base will be constructed at the lunar south pole and will cost an estimated $20 ...

The Nancy Grace Roman Space Telescope is NASA's next great observatory poised to lead humanity's next generation of astronomical discoveries. The groundbreaking spacecraft will research the mysteries ...

One of the main objectives of NASA's Artemis moon missions is to construct an expensive moon base farther south on the lunar surface than any Apollo astronaut ever traveled. While the lunar ...