Astrophysicist Jonathan McDowell told Newsweek there were changes in Cosmos 2553's orbit amid speculation about the satellite ...

Cosmos 2553, a Russian satellite linked to space weapon development, appears to have malfunctioned after months of erratic ...

Analysts believe the craft was launched by Moscow to be used with a system that could attack other satellites.

A Russian satellite named Cosmos 2553 is showing signs that it may no longer be working properly. Launched just weeks before ...

A Russian spacecraft safely delivered an American astronaut Jonathan Kim and two Russian cosmonauts to the International ...

The secretive Russian satellite in space that U.S. officials believe is connected to a nuclear anti-satellite weapon program ...

A Soyuz MS-26 spacecraft carrying Russian cosmonauts Alexey Ovchinin and Ivan Wagner and NASA astronaut Donald Pettit has ...

Kyiv detained a ship it says was part of Moscow’s “shadow fleet” which illegally exports grain from areas of Ukraine occupied ...

The Cosmos 2553, a Russian satellite believed to be linked to a nuclear anti-satellite weapon program, is reportedly spinning ...

Cosmonaut Maksim Suraev, palling around with two empty spacesuits, was the first Russian to blog from space, giving citizens a look into orbital goings-on. “A big hello from all on board the ...

A short, gregarious man in his mid-50s, Samburov spoke with conviction about the future of Russian space travel. “Space is part of the Russian soul!” he exclaimed, as a snow-capped landscape ...