About 880 light-years from Earth, a hot mess of an exoplanet is slowly spilling its atmosphere into space, creating two ...

The first artificial intelligence model trained entirely in orbit has turned a test satellite into a tiny, solar-powered data ...

There could be a ninth planet in our Solar System after all - and no, it's not Pluto. Instead, it's the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...