The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The Great Pyramid has been called a tomb, a wonder of engineering, and the subject of countless conspiracy theories. Now, it ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...

This second set of remains belonged to what the world would come to know as the Starchild Skull. For nearly a century, this artifact has served as a battlefield between those who believe in ...

The desolate, wind-swept desert of the Paracas Peninsula on the southern coast of Peru holds one of the most enduring mysteries of the ancient world. In 1928, the renowned Peruvian archaeologist Julio ...

The unnamed peak in Antarctica’s southern Ellsworth Mountains looks almost engineered from above: four steep faces, a clean ...