May 21, 2018 Mysterious 'Planet Nine' gets more evidence from weird space rock The solar system just got a bit stranger. As astronomers continue their ongoing quest to find the elusive Planet Nine, a team found a space rock that lends credence to the idea that a huge super-Earth planet really exists in the outer reaches of our solar system.
May 21, 2018 Does humanity really need a backup Earth? SpaceX CEO Elon Musk has a vision: He wants to get humans to Mars as soon as possible. He already wowed the world this year, when the Falcon Heavy launched and flung a Tesla car toward the asteroid belt. And this heavy-lift rocket will be dwarfed by the boosters Musk plans for Mars exploration, which he says will carry colonists in fleets of ships to the Red Planet.
May 17, 2018 Earth-like alien planets could experience 'snowball states' Earth-like planets with severe tilts and orbits could enter abrupt "snowball states," in which entire oceans freeze and surface life cannot survive, according to new research.
May 15, 2018 Seasonal changes in exoplanet's atmosphere could signal alien life Seasonal changes in an alien planet's atmosphere could signal the presence of extraterrestrial life, new research suggests.
May 14, 2018 This may be the best evidence yet of a water plume on Jupiter's moon Europa The case for a giant plume of water vapor wafting from Jupiter's potentially life-supporting moon Europa just got a lot stronger.
May 14, 2018 Saturn's gorgeous rings and 3 moons shine in stunning Cassini photo NASA and the Cassini team have given us another gorgeous blast from Saturn's past.
May 11, 2018 Shocker: Is Pluto going to become a planet again? The long-simmering argument about Pluto's planethood has just flared up again.
May 9, 2018 This alien world is the 1st cloudless exoplanet ever discovered In a first, an international team of scientists has discovered an exoplanet with no clouds.
May 8, 2018 Jupiter in opposition: Planet will appear bigger, brighter on Tuesday You won't need binoculars to catch this shiny display: Jupiter will be at its biggest and brightest Tuesday night.
April 24, 2018 Uranus discovery fulfills cosmic punchline Scientists using the huge telescope on Hawaii's Mauna Kea volcano have discovered the world's most obvious space joke.