Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Loeb's team will report to a new White House panel focused on UFOs, now often referred to as unidentified anomalous phenomena ...

A mysterious interstellar object known as 3I Atlas has entered our solar system, and the more scientists observe it, the stranger it becomes. Unlike typical comets, it began brightening far beyond ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Don't play peek-a-boo in this game.

An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...