Cosmos 2553 is one of dozens of Russian satellites with suspected ties to its military and intelligence programs.

The satellite is believed to serve as both a radar tool for intelligence gathering and a platform for radiation testing.

A Russian satellite named Cosmos 2553 is showing signs that it may no longer be working properly. Launched just weeks before the Ukraine conflict began in 2022, this satellite was sent into a ...

A secret Russian satellite that US officials believe is linked to Russia’s nuclear weapons program appears to be spinning uncontrollably in space, in a major blow for Moscow, according to American ...

The global telescope network Slingshot noted that "the object's brightness became variable, indicating a potential tumble." "Even if it is related to a weapons program, I don't think having the ...

A mysterious Russian satellite, believed by US officials to support a nuclear anti-satellite weapon programme, is showing ...

Slingshot, whose global telescope network has ... target as Ukrainian troops use the service in conjunction with weapons on the battlefield. Moscow, as well as China and the U.S., are pouring ...

Slingshot, whose global telescope network has ... target as Ukrainian troops use the service in conjunction with weapons on the battlefield. Russia, China and the US are pouring tens of billions ...