Watch the Las Vegas alien incident unfold through police bodycam footage, eyewitness video, and the emergency call that brought officers to the scene. A bright object was recorded crossing the sky ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

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 ...