New Earth-sized planet discovered next to star that will outlive the Sun - Scientists say Speculoos-3 b exoplanet orbits a ...

Two teams of scientists have discovered a theoretically habitable planet, smaller than Earth but bigger than Venus, orbiting ...

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the ...

Astronomers have discovered an Earth-size planet that is showered with so much radiation, its atmosphere eroded away long ago, leaving it bare. Life as we know it can't exist on this blistering ...

LIÈGE, Belgium — Scientists have discovered a planet nearly the same size as the Earth orbiting a red dwarf star, the dimmest and longest-lived of all stars in the galaxy, according to NASA.