NASA plans an on-pad repair of the fuel leak that derailed an overnight dress rehearsal countdown for the agency's huge Artemis II rocket. The agency then plans a second fueling test before making ...

NASA's final major test of the Artemis II rocket was cut short due to a recurring hydrogen leak. The test was halted with five minutes and 55 seconds remaining on the countdown clock. Additional ...

Braving rare sub-freezing temperatures, Kennedy Space Center workers pressed ahead with a dress-rehearsal countdown Sunday, readying NASA's huge Space Launch System (SLS) rocket for a critical fueling ...

Arctic cold is chilling the Artemis 2 timeline. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket ...

NASA is preparing for the final major test of the Artemis II mission's SLS rocket. The four astronauts for the mission entered quarantine in Houston ahead of the flight around the moon. A "wet dress ...

The Wet Dress Rehearsal is a critical test of the fueling and countdown of NASA's SLS rocket, which could launch a crew of four as early as Feb. 6. Teams at the Kennedy Space Center are inching closer ...

The SLS wet dress rehearsal is the rocket's last major hurdle before launch. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

SpaceX’s most likely orbital Starship candidate entered testing with little delay. During cryogenic proofing, unexpected structural movement caused heat shield tiles to detach, raising immediate ...

The delayed first test of SpaceX’s upgraded Starship rocket is now slated for mid-March, according to a post from CEO Elon Musk on his social media site X. This third version of Starship, or V3, is ...

A 1/3 scale prototype of Sierra Space's LIFE inflatable habitat was run through an Accelerated Systematic Creep Test within a NASA-designed disposable building. The habitat exceeded NASA's burst ...

The Artemis II astronauts are (from left) commander Reid Wiseman, pilot Victor Glover, mission specialist Christina Koch, all with NASA, and mission specialist Jeremy Hansen, with the Canadian Space ...

Pictured is a Stratolaunch photo of the Roc aircraft and Talon-A 0 hypersonic test bed during a separation test on May 13, 2023. The Defense Department and one of its technology accelerators have ...