Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...

The mysterious metal spheres that washed up on a beach in northern Queensland over the weekend are likely to be debris from a ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

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

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