NASA Administrator Jared Isaacman outlined plans for nuclear propulsion, a moon base and eventual astronaut missions to Mars.

NASA's SunRISE mission has been assigned a new rocket: It will now be delivered to orbit by a SpaceX Falcon Heavy rather than ...

, July 23 -- NASA is preparing for its next astronaut mission to the Moon by planning a major orbital rehearsal in 2027, when ...

NASA has announced a new spacecraft technology demonstration mission that will test advanced operational concepts around the ...

The new crew will replace three other Soyuz fliers wrapping up a 240-day stay aboard the International Space Station.

NASA astronaut Anil Menon launched with a pair of cosmonauts on a Soyuz spacecraft to the International Space Station on Tuesday.

Key ground stations in Spain operated by NASA and the European Space Agency have avoided serious damage from major wildfires ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...