Australian researchers have made an astonishing discovery of a potentially habitable planet 150 light years away - but there ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...