A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

Unfortunately for those hoping to be abducted, a new theory posits that aliens probably aren't as smart or technologically ...

The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

A mysterious object, 31/Atlas, is hurtling towards Earth, sparking debate among scientists. Harvard astrophysicists, led by Avi Loeb, speculate it cou ...

Here's what you need to know about the comet labeled "3I/ATLAS" and how close to Earth scientists believe it will actually ...

The discovery of interstellar object 3I/Atlas has revived discussions around Baba Vanga’s 2025 alien prediction, dividing ...

A NASA expert suggests aliens are real, but their technology isn't 'super-science'. Find out the chilling reason their ...

This point, known as perihelion, was around 210 million kilometers from the sun, or 1.4 times the distance between the sun ...

CNN’s Tom Foreman breaks down what we know about the interstellar comet that originated outside our solar system.