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 ...

United Launch Alliance flew its Vulcan rocket for only the fourth time early Thursday, but suffered yet another fiery burn ...

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 ...

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).

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.

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

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

Add Yahoo as a preferred source to see more of our stories on Google. United Launch Alliance suffered yet another fiery burn-through on one of its solid rocket boosters during a national security ...