Scientists have discovered how bee colonies make collective decisions without a single leader. It turned out that the ...

This article contains spoilers for the film Disclosure Day. As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third ...

A new protein analysis of Homo naledi skeletons reveals a curious twist—none of them seem to have Y chromosomes. Researchers have excavated hundreds of Homo naledi bones from the cave system known as ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

A ring camera from a Southern California home captured an alien-like figure walking across a yard. NBC News' Camila Bernal spoke to some experts on whether they feel ...