SpaceX’s classified military satellites, part of the Starshield network, have been detected emitting a mysterious signal that ...

A Canadian space enthusiast has uncovered what appears to be a classified group of SpaceX satellites transmitting on frequencies typically reserved for a different purpose.

Beneath Greenland's frozen surface lies a Cold War mystery uncovered by NASA scientists. Here's how a forgotten military ...

Scott Tilley, an amateur satellite tracker in Canada, accidentally detected space-to-Earth emissions on a radio frequency ...

The US Space Force’s classified spacecraft, the X-37B, has safely returned to Earth after an awe-inspiring 434 days in orbit. This record-breaking mission has led to a whirl of speculation and ...

NASA scientists recently discovered an abandoned Cold War-era U.S. military base that's been hiding under the ice in ...

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