Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Stacker compiled a ranking of cities with the most UFO sightings in Florida using data from the National UFO Reporting Center ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Eliminating certain "junk fees" is one of several measures recently introduced by Canada's telecommunications regulator, with ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Military and commercial pilots are increasingly treated as star witnesses in UFO debates, but psychologists warn their dramatic testimonies cannot, on their own, prove alien visitors.

New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings in the sky.