China has quietly sent its secretive Shenlong spaceplane back into orbit, marking the fourth mission of a reusable craft that many analysts see as a direct answer to the US X‑37B. The classified ...

Artemis II will then use the push from Orion’s service module to break free from Earth’s orbit. It will take four days to go ...

The United States set out to return astronauts to the Moon on its own terms, with NASA’s Artemis program framed as a careful, sustainable sequel to Apollo. Instead, a tightening schedule, technical ...

The US Space Force’s “Resilient GPS” program could have dramatically strengthened GPS reliability—at the same moment adversaries like China have sought to undermine it.

NASA’s Artemis II mission to carry four people around the moon and back could launch as early as this Sunday, Feb. 8. Backup ...

NASA’s Artemis II mission will study the Moon and astronaut health. Four astronauts will observe the lunar surface while participating in human research to support future deep space exploration.

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

Greenland's geographical location provides no added benefit to a space-based architecture of interceptors and sensors for US ...

Learn how U.S. defense companies and government contractors are partnering to bring about President Donald Trump’s Golden ...

NASA ran into exasperating fuel leaks during a make-or-break test of its new moon rocket Monday, calling into question how ...

Almost as tall as a football field, NASA's Space Launch System rocket and capsule stack traveled slowly—just under one mile per hour—out to the Artemis II launchpad, its temporary home at the Kennedy ...

Engineers at L3 Harris Technologies west of Jupiter are playing a crucial role in NASA's Artemis program, building engines ...