The Earth-sized planets orbiting the ultra-cool TRAPPIST-1 dwarf 星, つ星 40 light-years away may have substantial amounts of water and could be habitable, scientists say.
Sad that Pluto isn’t a planet anymore? Don’t worry, Caltech researchers may have discovered a new planet lurking in the outer reaches of our solar system.
Astronomers using a telescope in Chile discover 50 previously unknown exoplanets. The bumper haul of new worlds includes 16 "super-Earths" - planets with a greater mass than our own, but below those of gas giants such as Jupiter.