Scientists have discovered a theoretically habitable planet the size of Earth | CNN
R. Hurt/JPL-Caltech/NASA Gliese 12b orbits a cool red dwarf star just 40 light-years away. Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. CNN — Two teams of scientists have discovered a theoretically habitable planet, smaller than Earth but larger than Venus, orbiting a … Read more