Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

White dwarf stars could host habitable planets. Fast planetary rotation reduces cloud cover, keeping surface temperatures stable.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

An international team has confirmed the discovery of a super-Earth in the habitable zone of a Sun-like star. This planet, named HD 20794 d, could offer conditions conducive to life. Located ...