NASA has started the countdown for a second wet dress rehearsal for its Artemis II moon mission, a critical practice run leading up to the planned launch that will send astronauts on a journey around ...

NASA has been battling hydrogen fuel leaks ever since the space shuttle era, which provided many of the SLS engines. The ...

NASA wants to make sure repairs have eliminated the hydrogen leaks detected during an initial fueling test of the Artemis II ...

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 began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have bumped the flight into March.

NASA will retest the systems and procedures needed to fuel and launch the 30-story tall SLS rocket ahead of the Artemis II mission.

China has completed a major space test by successfully flying the Long March-10 rocket at low altitude while testing the emergency abort system of its new Mengzhou crewed spacecraft. The combined test ...

A ULA Vulcan rocket launched a Space Force mission, but an unexpected light show from its boosters sparked questions. Here's what we know.

Japan’s OHISAMA demonstration satellite is scheduled to be launched in fiscal 2026 on a mission that could revolutionize ...

Orbital data center proponents often say that thermal management is “free” in space, but that’s an oversimplification.

Different vacuums are better suited for cleaning hard floors or carpeting, and some feature heads that raise or lower to meet the height of the surface you’re vacuuming. If you have a combination of ...

On Thursday, the Ariane 64 rocket — named after its four boosters — is scheduled to make its maiden launch from the European ...