Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

A California startup wants to beam extra sunlight to Earth orbiting mirrors, but some are skeptical about whether the physics ...

How would detecting methane help astronomers identify if exoplanets, or even exomoons, have life as we know it, or even as we ...

Earth, HD 20794 d, orbiting a nearby sun-like star, offering a promising lead in the search for life beyond our planet.

Of all the planets in our solar system apart from Earth, Saturn tends to steal the show with its breathtaking rings, which have fascinated people for centuries.

Every so often, Mars rovers and orbiting spacecraft snap pictures that make us do a double take. The Red Planet has a knack ...

Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a galaxy 590 million ...