"All NASA astronauts aboard the International Space Station are in good health," says the agency's chief health and medical ...

NASA is teaming up with Microsoft to create an AI chatbot designed to make it easier to access and understand scientific data ...

Launch recap: Scroll down to review live updates from the Monday, Nov. 4, liftoff of a SpaceX Falcon 9 rocket on NASA's ...

The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an ...

NASA astronauts holds news conference after mission to International Space Station ––– Subscribe to ABC News on YouTube: ...

Astronauts at the International Space Station will move a SpaceX Dragon to a new port to make way for an uncrewed spacecraft ...

A second hearing on "unidentified anomalous phenomena", previously known as "UFOs", has taken place. The hearing aimed to ...

Three of the astronauts who were unexpectedly hospitalized after returning from the International Space Station in late ...

If we're finding spaceship debris on another planet then it's because we put it there, and what the NASA helicopter found was ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Three of the ...

NASA ultimately chose to send back the Boeing spacecraft empty and moved Starliner’s astronauts onto the SpaceX Crew-9 mission, delaying the launch of that mission.