Tag: Earthsize

Scientists have discovered a theoretically habitable, Earth-size planet

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teams of scientists have discovered a theoretically habitable planet, smaller than Earth but bigger than Venus, orbiting a small star about 40 light-years away. The exoplanet, named Gliese 12b, orbits a cool red dwarf […]

Newfound Earth-size exoplanet has a scorching-hot lava side

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered an extraordinary planet that’s roughly the size of Earth but is only one-tenth of our planet’s age, with half of its surface likely dominated by scorching-hot lava. The exoplanet orbits a sun-like star called HD 63433, which is located 73 light-years from Earth, at a proximity of […]