As President Donald Trump and Elon Musk argued on social media on Thursday, the world's richest man threatened to ...

As President Donald Trump and Elon Musk argued on social media on Thursday, the world’s richest man threatened to decommission a space capsule used to take astronauts and supplies to the ...

A private lunar lander from Japan descended toward a touchdown on the moon Friday, but flight controllers lost contact with ...

A private lunar lander from Japan has crashed into the moon. The Tokyo-based company ispace declared the mission a failure ...

NASA has quietly taken steps to prepare for a death in space. We need to ask how nations will deal with this inevitability ...

Postponements are quite common in human spaceflight missions, as there are many factors at play, including crew health, ...

The mission, part of Axiom Space’s Ax-4 programme, was originally slated for May 29 and then rescheduled to June 8, but ...

University of Texas at Arlington researcher Michael Nelson doesn't recall the specifics of the presentation, but he remembers ...

NASA investigated rebounding as a way to help its astronauts, but today it's considered an effective exercise to help people ...

“In the universe, an absolute vacuum is rare, and most of the universe is very low-density high-temperature plasma,” said Chris Impey, an astronomer at the University of Arizona. “In principle, sound ...