A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.

On Dec. 20, commander Reid Wiseman, pilot Victor Glover, and mission specialists Christina Koch and Jeremy Hansen emerged ...

Jared Isaacman will lead NASA as it sends astronauts around the moon and hopes to launch a space telescope to study dark ...

Based on repeated stops and starts seen on NASA's countdown clock, the complex test originally planned for late November, ran ...

NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year.

Rocket Lab is planning to launch its Electron rocket from its complex at the Wallops Flight Facility. Here's where to see it ...

If you thought 2025 was an exciting year for spaceflight, just wait until 2026. Here's a look at six missions that could define the year.

"We are faced with another space race," Jared Isaacman, NASA's new administrator, told NBC News after he was sworn in on ...

The same historic facilities that some 50 years ago prepared NASA's twin Voyager probes for their ongoing interstellar ...

A late-night SpaceX rocket launch is expected to lift off from Cape Canaveral on Sunday, Dec. 14. Best places to watch from ...

A late-night SpaceX rocket launch is expected to lift off from Cape Canaveral on Sunday, Dec. 14. Here's how to watch from ...

Live updates from the Starlink 6-99 mission, which launched 8:42 a.m. Dec. 17 from Pad 39A at NASA's Kennedy Space Center.