Space Exploration

How living underwater can prepare humans for space missions

On Oct. 26, 2004, NASA's Cassini spacecraft took the first close-up images of Saturn's largest moon Titan. Here's why it mattered.

NASA has officially ended the mission of its Swift Observatory, after a private satellite failed to meet up with the aging spacecraft in orbit.

SpaceX conducted a static-fire test with its Super Heavy booster B22 on Sunday (Oct. 25), beginning a test campaign to ready the giant rocket for Starship's Flight Test 15.

Earth’s tiny, temporary moons could become some of the easiest asteroid targets for future missions. And we'll likely find more of them soon, thanks to the Rubin telescope.

NASA is overhauling how it selects and develops science missions, with changes intended to reduce costs, streamline competition and get missions into space faster.

On Oct. 25, 1671, the Italian astronomer Giovanni Cassini discovered a new moon at Saturn! Here's why it mattered.

On October 24, 1946, a V-2 rocket captured the first-ever photo of Earth from space. Here's why it mattered.

SpaceX sent 27 more of its Starlink broadband satellites to orbit today (Oct. 23), in its first Starlink launch in 11 days.

NASA just gave us our best look yet at its Artemis III moon-lander test flight, which is scheduled to launch to Earth orbit next year. But a firm liftoff date has not yet been announced.