If aliens wrap their planets in potent greenhouse gases like we do, we'd be able to tell. That's according to a recent thought experiment in which scientists identified five "artificial" greenhouse ...

An artist’s conception shows a city taking shape on Mars. (SpaceX Illustration) Billionaires such as Elon Musk and Jeff Bezos dream of making Mars more like Earth, or seeing millions of people living ...

A spacecraft slowly descends to the surface of Mars. Once arid and lifeless, the Red Planet is now lush and green. As a city comes into view, passengers see people strolling along busy streets, ...

Mac is a GameRant writer, who has been gaming for over 40 years. He mostly plays multiplayer or co-op games, with the same group of friends he has played with online for 25 years. Terraforming is key ...