A mysterious object from another star system is racing through our Solar System, and every major space telescope is watching.

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

A physical engagement might be the next logical step in the Space Force's plans. When you purchase through links on our site, ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Harvard astronomer Avi Loeb, famed and criticized for alien theories, will lead a Trump-era outside science team probing UAP ...

The world is fair and square when it comes to celebrations. Nothing seems to escape the calendar. Almost every date has become some day. There are the popular o ...

Avi Loeb vows to brief public and create website to share findings of team tasked with investigating origins of mysterious ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Speaking for the first time since a chilling experience four decades ago, Paul Jones and his mum Daphne reveal how their trip ...