NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

During launches, the Super Heavy booster’s cluster of engines generates enormous thrust and shockwaves. Without suppression, ...

NASA’s Neil Gehrels Swift Observatory, a 21-year-old space telescope that has tracked gamma-ray bursts and cosmic explosions since 2004, is losing altitude fast enough that the agency has suspended ...

NASA is facing a race against time to save its 21-year-old spacecraft, the Neil Gehrels Swift Observatory, which has been on a critical mission to study some of the most powerful explosions in the ...

CAPE CANAVERAL, Fla. (AP) — NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for more repairs.

Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

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

NASA's Artemis 2 moon mission has been delayed until at least March due to technical issues. A hydrogen leak was discovered in the Space Launch System rocket during a prelaunch test. A subsequent test ...

It's been a busy week for NASA's Artemis lunar campaign, which has experienced a number of recent setbacks as the agency has again delayed the first crewed mission under the program. The launch date ...

NASA is now targeting March for the earliest possible launch of its historic Artemis II lunar moon mission, which will send four astronauts into deep space for the first time since the Apollo program ...

Add Yahoo as a preferred source to see more of our stories on Google. The Space Launch System (SLS) rocket at Launch Pad 39B at the Kennedy Space Center in Cape Canaveral, Florida, on January 30. - ...

YOU’RE ASKED TO CALL THE NUMBER ON YOUR SCREEN ONE 800. CALL FBI. JESSE, BACK TO YOU. ALL RIGHT. SUMMER ALSO, BREAKING THE NEXT MISSION TO THE MOON IS GROUNDED FOR AT LEAST ANOTHER MONTH. THIS ...