Hours after holding what the space agency called a successful dress rehearsal, NASA found interrupted helium flow into the rocket, handing a significant setback to the lunar mission.

NASA says an "interrupted flow" of helium to the rocket system could require a rollback to the Vehicle Assembly Building. If it happens, NASA says the launch to the moon would be delayed until April.

NASA's new moon rocket has suffered another setback, putting next month's planned launch with astronauts in jeopardy, the space agency announced Saturday.

During the 1960s, when NASA achieved what most thought was impossible, and what has never been repeated since, there were many setbacks. One historic example is that Neil Armstrong spent less than 11 hours in space on Gemini 8 before his mission ended prematurely due to a technical issue.

NASA astronaut Chris Williams, who's been stationed aboard the ISS since November 2025, captured footage of 2026 Lunar New Year fireworks over Beijing.

On07, NASA launched a quintet of satellites to figure out the science behind Earth's most colorful auroras. [‘On This Day in Space’ Video Series on Space.com] The mission was titled

NASA’s recent twin rocket missions from Alaska are aimed at unlocking the mysteries of auroras, specifically the rare and little-understood black auroras. Launched from the Poker Flat Research Range near Fairbanks,

NASA began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have bumped the flight into March.