After several tests of unusual “nesting doll” satellites in low-Earth orbit, Russia is now fielding operational ...

April 11 (Reuters) - A new Russian launch vehicle, Soyuz-5, is undergoing its final tests and is "absolutely ready" for use ...

U.S. and allied governments and contractors gamed out implications of a nuclear blast intended to take out satellites.

True Anomaly is a space defense startup that builds spacecraft and software for reconnaissance. CEO Even Rogers says space is a contested environment and US adversaries include China and Russia.

Russia has begun testing a new propulsion technology that could significantly shorten the journey to Mars, potentially reducing travel time to just one month. The project has drawn international ...

Russia is quietly testing a new plasma propulsion system that, if it performs as claimed, could dramatically change how long it takes to travel to Mars. Early results suggest a leap in speed and ...

Russia’s suspected work on a new anti-satellite system aimed at Starlink has turned a once-hypothetical risk into a concrete strategic problem for NATO. As the Alliance races to harden its space ...