The Artemis II astronauts are on a course back to Earth after flying by the moon Monday, witnessing a solar eclipse, and breaking a distance record set by NASA's Apollo 13 astronauts.

NASA is preparing to send four astronauts around the moon and back. It’s the Artemis II mission - the first time Americans have left Earth orbit since the Apollo days.

Satellite images from commercial companies show the extent of U.S. and Israeli strikes, and how Iran is responding.

A six-day launch window opens on April 1 from NASA's Kennedy Space Center in Florida. The lunar orbital mission would be the first time humans have returned to the moon since Apollo 17 in 1972.

Four people from NASA's Crew-11 mission splashed down off San Diego, successfully completing five months aboard the International Space Station. The trip was cut short due to a medical issue.

Starship, the biggest and most powerful rocket ever built, thundered into the evening sky from the southern tip of Texas.

Researchers have spent 10 years improving the massive detectors they use to catch shockwaves from colliding black holes, and now the science is precise enough to test one of Stephen Hawking's key ideas.

NASA and SpaceX's Crew-11 mission is made up of two U.S. astronauts, one from Japan and a Russian cosmonaut. They'll be aboard the International Space Station for six months conducting research.

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it about galaxies far, far away.

Researchers using data from the James Webb Space Telescope recently announced they had detected biosignature gases on planet K2-18b. A new analysis of the same data casts doubt on the earlier findings