Scientists have long overlooked white dwarfs as hosts for habitable exoplanets, assuming their lack of fusion would make life impossible. But new climate models challenge that idea, showing that ...

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

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 ...