Queen Elizabeth II was kept in the dark for a long time about a major scandal during her reign. Newly released MI5 files reveal that, for nearly 10 years, the late monarch didn’t know that royal ...

A Soviet-era spacecraft plunged to Earth on Saturday, more than a half-century after its failed launch to Venus. Its uncontrolled entry was confirmed by both the Russian Space Agency and European ...

Most calculations predict the decaying probe's remnants could come crashing down early Saturday morning. Given its orbit, the spacecraft could land pretty much anywhere, astronomers calculate. But ...

Just weeks ago, scientists warned that a "city killer" asteroid had a small chance of hitting Earth. While that prediction was thankfully revised, the planet may have to worry about another object ...

A declassified CIA report about an alleged UFO attack on Soviet soldiers in the dying days of the USSR has gone viral after being posted to the agency’s website. The document is a single-page summary ...

A Soviet-era spacecraft is set to reenter Earth's atmosphere after over 50 years, returning this week from its failed mission to Venus. NASA said on May 5 that Cosmos 482 will return to Earth sometime ...