Unexplained lights above the US Capitol Hill have ignited speculation about alien activity. Photos and videos show four ...

Alien life is "definitely" monitoring Earth's airbases, according to a British ufologist and film-maker after recent footage ...

Slain cattle stripped of certain organs with surgical precision and found in pastures with no trace of blood or evidence have ...

The footprints are the first clear evidence that the two hominin species shared a habitat, raising questions about whether ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...