Read full article: NASA delays astronauts’ lunar trip until March after hydrogen leaks mar fueling test The Artemis II Space Launch System rocket and Orion spacecraft on Launch Pad 39B at after rollout from the VAB. ‘On its launch pad!’ NASA Artemis ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Orion spacecraft, which sits atop the Space Launch System rocket for liftoff, are seen at Kennedy Space Center in Florida on January 17. - Keegan Barber/NASA When four ...

WASHINGTON >> NASA released fresh images today of the interstellar object called 3I/ATLAS that astronomers have determined is a comet likely older than our solar system, as U.S. space agency officials dismissed speculation that it is an alien spacecraft.

Astronauts Barry "Butch" Wilmore and Sunita Williams were expecting to spend eight to 10 days in space. They ended up​ remaining in orbit for 286 days.

NASA says it's rolling the SLS rocket off the launch pad so it can get to the bottom of a helium flow issue it ran into over the weekend.