Scientists have cooked up the "alien haze" of distant planets, in an effort to help with the search for alien life. The haze is a simulation of the hazy skies that appear on water-rich exoplanets, or ...

A water world ruled by octopus-like creatures. A planet divided by light and dark where the sun never rises. And a lava hell where molten rock rains from the sky. These are not descriptions of foreign ...

"Free-floating planets with mass strictly greater than that of Mars may exist in the outer solar system' NEW research claims five extra rocky planets could exist on the edge of our Solar System.