The milestone comes amid a surge of recent discoveries and the promise of more insights to come, as NASA’s $10 billion James Webb Space Telescope readies for planet-gazing operations in deep space. Our tally of strange new worlds just reached 5,000.Īstronomers have added the 5,000th alien world to the NASA Exoplanet Archive, officials with the agency’s Jet Propulsion Laboratory (JPL) in Southern California announced on Monday (March 21).
