It’s 200 feet wide. Perfectly round. Covered in what looks like scorching. Sonar picked it up in 2011, but no one can explain ...

SETI scientists have detected signals that don’t behave like anything found in nature — narrowband, repeating, and drifting as if something is moving fast. Could these be side effects of alien ...

Even though they were preceded by classics or audience favorites, these 10 sequels didn't come close to approaching the magic ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

Ousted Venezuelan leader Nicolás Maduro entered a plea of not guilty in his first court appearance in New York as President Donald Trump threatens other countries with US action. Follow here for the ...

Deposed Venezuelan leader Nicolás Maduro is set to appear in a New York federal courtroom today for the first time since his capture by the US. Follow for live updates.

An entire industry specializing in mediation, peacekeeping, disarmament, and transitional justice has become largely obsolete ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

Learning doesn’t always mean flipping through heavy textbooks or sitting in a long lecture. Sometimes, it just takes ...

The UK’s Defence Intelligence Staff — now called Defence Intelligence — part of the country’s defense ministry, was given ...