There may come a point (perhaps for humans, perhaps not) where a civilization may wish to terraform a planet in their Solar System or beyond. Perhaps an environmental disaster was looming on their ...

For decades, scientists and visionaries have debated how to turn Mars into a world humans could call home. From giant mirrors in orbit and nuclear detonations at the poles to greenhouse gas factories ...

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to take ...

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 ...

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.