A health scare prompted the first ever early return from the International Space Station for a medical reason. Does it change ...

SpaceX tapped cryptocurrency billionaire Chun Wang to lead a private crewed mission around Mars and the moon. Here's ...

Elon Musk’s plan to launch 1 million AI data center satellites into orbit starting in 2028 could spark a financial ...

Perfecting SpaceX's mammoth rocket will be critical to NASA's plans for returning astronauts to the surface of the moon.

The station was understaffed for a month after the Crew-11 mission returned early due to a medical issue. Four new astronauts arrived on Feb. 14, joining the three crew members already on board. The ...

After Artemis 2, NASA's moon return hinges on two unproven commercial landers, each of which faces major technical and timeline challenges.

The new rocket features a host of upgrades intended to improve safety and performance of the world's most powerful rocket.

Momentus said the market value of its outstanding shares was $79.8 million, based on its highest Nasdaq closing price over ...