Frequently, one of the main points of an Alien movie is that a xenomorph is lurking in the dark, just waiting to strike and eat. And there’s nothing most people can do about it, because it’s strong, ...

Life on alien planets may produce a protective glow to buffer the dangerous flares of nearby stars. Stars constantly douse their planets with harsh ultraviolet radiation flares, which could harm any ...

It takes more than four years for its light to reach us, but Proxima Centauri is one of our closest neighbors. The star orbits in the constellation Centaurus, visible in the Southern Hemisphere, but ...