NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...
Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...
Since the discovery of exoplanets, a planet that orbits stars outside the solar system, astronomers and scientists have been astounded by the strange characteristics of these extrasolar planets. To ...