Reports suggest that the US Space Force is pausing missions on the Vulcan rocket until an anomaly observed during a February ...

A team led by Peng Zhou at Fudan University has built a radio-frequency communication system from atomically thin molybdenum ...

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).

The Pentagon is testing a new way to acquire satellites. DIU would select vendors capable of developing and fielding a GEO reconnaissance system on commercial terms and timelines, demonstrating it ...

United Launch Alliance is preparing its Vulcan Centaur rocket for a major national security mission from Cape Canaveral, a flight that will test whether this new workhorse can deliver for the U.S.

Geosynchronous Synthetic Aperture Radar (GEO SAR) systems represent a promising frontier in Earth observation technology, offering continuous monitoring of specified regions with exceptionally short ...

Under the new GHOST-R effort, the Defense Innovation Unit hopes to have a high-resolution bird operating on orbit within 24 months.

The Pentagon is looking for cheap commercial satellites that can maintain surveillance on other satellites in orbit, including close-range inspections.

A United Launch Alliance Vulcan rocket carrying a suite of classified Space Force payloads suffered what appeared to be a burn through in the nozzle of a strap-on solid-fuel booster Thursday, but ...