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 ...

Dan Răzvan Popoviciu new book New Worlds: Colonizing Planets, Moons and Beyond (published by Bentham Science) explores the possibilities of transforming humanity into a multi-planetary species, while ...

Humans are considering the feasibility of terraforming our nearby planetary neighbor, so what if a distant alien civilization already had that idea and acted on it? A new paper suggests that looking ...

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, ...