A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

To fix the problem, NASA has to roll SLS and the stacked Orion spacecraft back to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Cape Canaveral, Florida. Weather permitting, teams will begin the rollback process on Tuesday, according to a Sunday update.

The two-day countdown test at NASA’s Kennedy Space Center in Florida included filling up the tanks of the giant Space Launch System rocket with millions of pounds of liquid hydrogen and liquid oxygen.

NASA's Artemis II rocket successfully completed a major prelaunch test. The crew will now enter quarantine as potential launch dates come as early as March.

Starliner launched on June 5, 2024, carrying NASA astronauts Butch Wilmore and Suni Williams to the International Space Station. The test flight was initially expected to last between eight and 14 days.

REDSTONE ARSENAL, Ala. (WHNT) — NASA has announced the demolition of several historic testing and simulation facilities at Marshall Space Flight Center. The space agency said crews began demolition on the Neutral Buoyancy Simulator in mid-December and ...

"Given how active the sun is right now, our forecasts suggest that delaying the launch until the end of 2026 may be a much safer decision."