A retired researcher has detected an unusual pulse in the light of nearby stars while looking for signs of extraterrestrial ...

The oceans hold countless secrets - here are five mysterious underwater sites that still puzzle scientists to this day. Dive ...

When looking for alien life, scientists found something odd — two bizarre pulses coming from a distant constellation.

Picked out from among a wash of hidden low-frequency sounds — including thunder, ocean waves, rocket launches, cities, wind turbines and even planes, trains and automobiles — the strange ...

The scientists also took images of Jupiter’s auroras with NASA’s Hubble Space Telescope at the same time Webb made its ...

NASA has detected a strange, unexplained signal coming from deep space, sparking worldwide curiosity and debate over whether it's a natural cosmic phenomenon—or a possible sign of ...

The mystery behind a strange, unexplained object at the bottom of the Baltic Sea – which many suspected was a UFO – may have finally been solved. The object is thought to be over 140,000 years ...

Josh Gates looks closely at some of history's most intriguing hoaxes and unexplained events in a new episode of "Expedition ...

An curved arrow pointing right. Enceladus, one of Saturn's moons, has mysterious dark spots on the surface amid one of the many giant ridges that scar the moon's surface. Produced by Emmanuel ...

In a Facebook post, Kirtley wrote that the group has made spectrograph recordings—graphs that show sound frequency over time—at each location where people reported hearing the strange humming ...

Netflix can’t seem to pry subscribers away from Files of the Unexplained. The new docuseries from Vox (Explained, The Mind: Explained) investigates eight bizarre tales of alien abductions ...