A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.

Sentinel-6B and Sentinel-6 Michael Freilich captured data on Nov. 26 of sea levels across a vast stretch of the Atlantic.

SpaceX, the operator of the Starlink constellation, is coordinating with the U.S. Space Force and NASA to monitor the objects.

By the authority vested in me as President by the Constitution and the laws of the United States of America, it is hereby ordered: Section 1.  Purpose.

NASA’s “VIPER” mission to map water concentrations on the moon left its rover spinning at Sandia National Laboratories.

Karen Rogers, left, Orlando Abeyta and Leticia Mercado discuss the testing of the VIPER rover at the Superfuge, while Chad ...

SANTA BARBARA, CA -SpaceX on November 17 launched NASA’s ‘Sentinel-6B’ satellite aimed at monitoring sea level change, the US space agency said. ‘Sentinel-6B’ is an Earth-observing satellite jointly ...

President Donald Trump’s new executive order lays out the US's priorities in space. Among them is a renewed commitment to a 2028 Moon landing, new space missile development and launching nuclear ...

Well, they’re finally back! After what turned into a much longer trip than anyone expected, the astronauts from the historic ‘Astronaut Returns’ mission have touched down safely. What was supposed to ...

Jared Isaacman, a pilot and financial tech billionaire, has commanded two groundbreaking spaceflights, including leading the ...