"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

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

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

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

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

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it appeared in July 2025.

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...