Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes extraterrestrial life plausible. But plausibility is not proof. Despite decades of ...

A former Pentagon UFO investigator claims the U.S. has recovered alien spacecraft and non-human bodies (i.e. alien ...