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 ...

This story originally featured on the MIT Press Reader. Exploration, habitation, and resource extraction all carry a risk of inflicting environmental damage in space, just as they do here on Earth.

Could we identify an alien terraformed planet through the detection of greenhouse gases? This is what a recent study published in The Astrophysical Journal hopes to address as a team of international ...

From Valheim to Fallout, these open-world games give players the power to reshape terrain, build from scratch, and leave creative marks on worlds.

Until someone invents warp drive, the only way we can inspect distant exoplanets is with a powerful telescope. However, even the most capable telescopes can only catch faint glimmers from exoplanets.

A wild new theory has claimed the origins of life on Earth were delivered by aliens who were terraforming the planet into a habitable world billions of years ago. Robert Endres, a scientist from ...

The first early humans to use fire had no inkling of what it would lead to. Fire was one of our first technologies, and humans have been making changes to their environments since the advent of ...

"You wouldn't need extra effort to look for these technosignatures, if your telescope is already characterizing the planet for other reasons — and it would be jaw-droppingly amazing to find them." ...