While it's unlikely to come to fruition, designs for the 2.4-billion-ton Chrysalis could see humanity embark on a ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Alpha Centauri, also known as Alpha Centauri A, is a three-star system. The brightest star, Alpha Centauri A, is quite ...

In 2016 billionaire Yuri Milner hosted a press conference at One World Observatory, the atrium topping the slick skyscraper ...

Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.

What new methods can be employed to help astronomers distinguish the light from an exoplanet and its host star so the ...

The triple stars' most notable sci-fi inclusion is probably in the "Avatar" franchise, as the home system of Pandora — the fictional homeworld of the blue-skinned aliens, known as the Na'vi, who go to ...

Astronomers have captured something extraordinary: the first-ever direct photo of a baby planet growing inside a dusty ring ...

"These objects really could be anywhere in the solar system at any given time." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One million alien ...