Two weeks ago, dangerous amounts of liquid hydrogen escaped during the operation. NASA crews eventually replaced two seals ...

NASA’s new boss blasted Boeing and the space agency Thursday for Starliner’s botched flight that left two astronauts stuck for months at the International Space Station.

NASA has classified the flawed Starliner crewed test flight in 2024 as its most serious type of mishap, citing problems in how officials oversaw it.

NASA pressed ahead Thursday with the Artemis II wet dress rehearsal countdown, a major fueling test for the Space Launch System rocket and Orion spacecraft at Kennedy Space Center, reaching several ...

The test is an essential step before NASA can set a launch date for its Artemis II mission, which will send four astronauts ...

NASA has begun a countdown and fueling test for its SLS rocket at the Kennedy Space Center that will determine an Artemis 2 ...

NASA's 2nd wet dress rehearsal is underway in Florida as the agency prepares to test-fuel the towering Space Launch System ...

The Artemis II crew — commander Reid Wiseman, pilot Victor Glover and mission specialists Christina Koch and Jeremy Hansen — includes the first person of color (Glover), the first woman (Koch) and the ...

NASA’s first crewed moon mission in decades is delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue that’s plagued the agency since the Shuttle ...

NASA has begun another practice launch countdown for its first moonshot in decades with astronauts. The first test was halted ...

On Artemis II, the agency will attempt to broaden Orion’s operational envelope by adding a flight crew, with assessments of the spacecraft’s environmental control, life support and astronaut ...

NASA will conduct another rocket fueling test as the agency aims to get its highly anticipated human moon mission known as ...