The long-running Russian military hacking group tracked as Fancy Bear and APT28 has been wielding a new, "high-end custom arsenal" of custom ...

Russia and China can black out military satellites in seconds. A Latvian startup says nuclear-waste generators using 5x less fuel could keep satellites—and lunar bases—running.

The miniaturized microwave device was allegedly secretly purchased from a complex Russian criminal network for about $15 million in a Pentagon-funded operation.

True Anomaly's Even Rogers says US lags in space defense against China and Russia, including reconnaissance capabilities.

The disclosure comes about a month after NASA made the decision to evacuate the four members of Crew-11 from the International Space Station ...

SpaceX shut down Russian troops' access to Starlink satellite-internet terminals. The change constrained Russian military capabilities and created opportunities for Ukrainian forces. In the days ...

The Kremlin’s sabotage campaign against European allies of Ukraine has been escalating. It needs people like Aleksei Kolosovsky, 42, to carry it out.

Feb. 20 (UPI) --Five Russian planes flew into the Alaskan Air Defense Identification Zone and were escorted out by U.S. planes on Thursday. The North American Aerospace Defense Command detected the ...

Sens. Lindsey Graham, R-S.C., and Richard Blumenthal, D-Conn., said their Russia sanctions and secondary tariffs bill would easily pass if Congress voted on it, and they urged European officials to ...

Axiom Space has raised $350 million in new financing to advance development of its commercial space station and lunar spacesuits, the human space exploration company said Thursday. How Will Axiom ...

Add Yahoo as a preferred source to see more of our stories on Google. On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. [‘On This Day in Space’ Video Series on ...