Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

Work continues on the Neil Armstrong Operations and Checkout Building where the Orion spacecraft has been mated to the European Service Module.

SpaceX on Monday called off its eighth Starship test flight from Texas over an unspecified issue on the rocket system's core, delaying for at least 24 hours the company's attempt to deploy mock ...

NASA showcased advancements in its Artemis II mission as SpaceX deals with the aftermath of its Starship explosion. Kirk ...

Meanwhile, NASA’s Space Shuttle successor, the Space Launch System, has accrued billions in cost overruns and years of delays. The rocket’s side boosters and engines were originally projected ...

Launch recap ... Wednesday's postponement on a hydraulic system issue with one of the support clamp arms, which hold the Falcon 9 to the transporter erector. The Space Force's 45th Weather ...

The Space Launch System (SLS), a massive rocket that successfully launched the uncrewed Artemis I mission around the Moon in 2022 and is scheduled to carry astronauts there next year, is often ...

SpaceX plans a middle-of-the-night Falcon 9 rocket launch early Wednesday, and it will already mark the 21st orbital launch of the year from Florida's Space Coast ... as a backup system to ...

While pressing for an earlier launch date could help in the short-term, bigger changes may come down the road: ditching the costly Space Launch System rocket ... The core stage inside the Vehicle ...