A satellite launched by Russia, which the U.S. has said is linked to a nuclear anti-satellite weapon program, is no longer functioning correctly, it has been reported. The Cosmos 2553 satellite ...

A U.S. spaceplane will head to the heavens next month to test a quantum sensor that could help navigation in orbit without GPS, and to demonstrate new methods of space-based communications, the Space ...

The US Space Force's secret space plane, the X-37B, shared an image from orbit for the first time. The reusable orbital test vehicle captured the image of Earth last year during its seventh mission.

The US Space Force awarded multiple small contracts to develop prototypes for space-based interceptors, looking for progress ...

A new report that billionaire Elon Musk held secret conversations with Russian President Vladimir Putin could raise security concerns due to his top-secret clearance and the use of Starlink satellites ...

For those who follow NASA’s human spaceflight program, when the Orion spacecraft’s heat shield cracked and chipped away during atmospheric reentry on the unpiloted Artemis I test flight in late 2022, ...