NASA announced the first class of astronauts in four years who could one day be eligible for missions to the moon and Mars.

NASA will announce its new astronaut class on Monday (Sept. 22) and discuss its upcoming Artemis 2 moon mission on Tuesday ...

NASA will announce the first class of astronauts in four years who could one day be eligible for missions to the moon and Mars.

SpaceX will launch NASA's ambitious IMAP mission and two other space weather probes early Tuesday morning (Sept. 23), and you ...

ABC News chief meteorologist Ginger Zee speaks with NASA's head of science, Nicky Fox, about the new, groundbreaking initiative.