Artist’s impression showing a view above the surface of one of the planets in the TRAPPIST-1 system. Credit: ESO/N. Bartmann/spaceengine.org Imagine standing on a world 40 light-years from Earth.

As shocking as it sounds today, prior to the 1990s, scientists couldn't be certain that stars beyond the sun also had planets orbiting them. Since the discovery of the first extra-solar planet, or ...

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is inspired by one that actually exists. In the new film Ash, director ...