Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

This immersive journey explores the vast and mysterious landscapes of alien worlds scattered throughout the galaxy, from frozen dwarf planets in the outer reaches of our solar system to scorched ...

Harvard astronomer known for his theories about alien visits has been appointed by the Trump administration to lead a team of ...

Two law enforcement agencies in San Diego County, the Sheriff’s Department and El Cajon Police Department, have implemented ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, funding, and fierce criticism.

Imagine being in bed, sound asleep, when your country’s emergency alert system suddenly goes off on your phone. Scary stuff. Now imagine that same emergency alert was announcing an alien invasion was ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

Getting your Trinity Audio player ready... Denver will now require employees to receive additional approval before they can send wireless emergency alerts to residents, a change that comes after ...

Add Yahoo as a preferred source to see more of our stories on Google. Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have ...

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 ...