Harvard's Avi Loeb investigates whether the interstellar object 3I/ATLAS is leaking artificial propellants, suggesting that ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

The interstellar object 3I/ATLAS has spotted global attention because of its rotating double jet structure. The majority of ...

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Interstellar Comet 3I/ATLAS puzzles scientists with a sunward anti-tail and wobbling jets, revealing secrets of alien solar ...

A pilot of a private jet reported seeing a "strange, small object" floating beside his aircraft thousands of feet above Rhode Island.

The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of the alert fighter jets lined along the runway.

One that caught attention from many was a type of sea mollusk that washed ashore on South Padre Island in late May.

Vince Gilligan's Apple TV sci-fi series Pluribus gave audiences plenty of shocking moments, and we rank the biggest ones of ...