NASA confirms 6,000 exoplanets — scientists say we’re entering ‘Next Great Chapter of Exploration’NASA’s tally of alien worlds has just hit 6,000 — a staggering milestone reached in only three decades of searching beyond our solar system. From gas giants to rocky super-Earths, the discoveries reveal just how diverse the galaxy really is. But one world remains elusive: a true Earth twin. “We’re entering the next great chapter of exploration,” NASA said, “to find planets that could support life — and remind us the universe still holds worlds waiting to be found.”