In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

In a 2019 AP-NORC poll, about half of Americans said they’d take a chance to orbit the Earth, with 41% saying they’d travel ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Assembly Theory shifts the search for life from identifying specific molecules to measuring chemical complexity, offering a ...

A massive surge in fireballs breaking through Earth's atmosphere have researchers scrambling to find the cause and skeptics ...

Conspiracy theorists suggested they had stumbled upon a pyramid on Mars that could've been built by aliens. Scientists are ...

Using fresh data from ESA’s Gaia mission, scientists have found 45 rocky planets that might have the right conditions for ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

“Nothing to me screams anything close to ‘alien civilization’ here when I see that,” Pascal Lee, chairman of the Mars Institute, told “Jesse Weber Live” on Thursday. “This is not an alien ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...