During the two-day dress rehearsal, running through launch-day procedures, crews found a liquid hydrogen leak in part of the ...

Plus: McConnell hospitalized, and the Clintons agree to testify in face of contempt vote ...

The agency did not complete a practice countdown for a mission that would be the first to send people around the moon in more than 50 years.

NASA Artemis 2 mission after encountering hydrogen leaks during a fueling test of the Space Launch System. The Space Launch ...

NASA is moving its Artemis II launch to March to address issues that arose during a wet dress rehearsal. This mission will ...

After pre-launch testing revealed rocket issues, NASA has delayed the Artemis II launch until March. Here's the latest.

The mission is meant to send four astronauts on a historic journey around the Moon and back, the first crewed flight of the ...

NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.

The H3 is a relatively new vehicle, with last month’s launch marking the eighth flight of Japan’s flagship rocket. The launcher falls on the medium-to-heavy section of the lift spectrum. The eighth H3 ...

NASA muscled through familiar headaches Monday at Kennedy Space Center during a critical tanking test dealing with liquid ...

The Spectrum rocket developed by German startup Isar Aerospace is set to carry out its second test flight in March, after a technical issue that delayed an earlier launch from Norway was resolved, the ...