NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

— -- 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 ...

Australian researchers have made a discovery of a potentially habitable planet 150 light years away - but there’s a catch to ...

All seven roughly match the size and mass of our own planet and are almost certainly rocky. Researchers announced Wednesday the stunning discovery of seven Earth-like planets orbiting a small star in ...