Plug Power Inc. , a global leader in comprehensive hydrogen solutions for the hydrogen economy, today announced it has completed the first hydrogen fill of Hynetwork's 32-kilometer hydrogen pipeline ...

The countdown pause at 5 minutes 15 seconds remaining was not due to the mission time limitation, but was caused by ground ...

NASA defended preparations for Artemis 2 after a fueling test had hydrogen leaks like those that bedeviled Artemis 1 more ...

NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to ...

NASA has delayed the Artemis II launch until March at the earliest after engineers discovered hydrogen leaks during last ...

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.

The launch of Artemis II will be pushed from a possible February window to March at the earliest after a “wet dress rehearsal countdown,” a prelaunch test to fuel the rocket, was terminated because of ...

NASA announced the delay of Artemis II, a mission that will send four astronauts on a 10-day trip around the moon and back to Earth, to March after engineers noticed a hydrogen leak in the rocket.

Officials say the delay will allow the launch team to conduct another practice countdown before committing four astronauts to humanity's first moonshot in more than half a century.