Apollo astronauts described lights "sailing off into space" and skies like the "Fourth of July" in newly declassified Pentagon UFO transcripts.

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

Astronomers have observed one of the most extreme ultra-fast outflows ever detected from a supermassive black hole, revealing ...

Add Yahoo as a preferred source to see more of our stories on Google. SHEBOYGAN – An object with pulsating red and blue colors was spotted in Greenbush, Kohler and Sheboygan Falls in 1976. Witnesses ...

A new report details that the number of sightings of Unidentified Anomalous Phenomena is increasing as enthusiasts are searching for a chance to connect with the outrageous mysteries of the universe.