6,000 Alien Planets & a Healing Ozone Layer: Biggest Science News (Sept 17-18, 2025)
Key Facts Space Exploration: 6,000 New Worlds & Starship Progress In a milestone for astronomy, NASA confirmed the 6,000th exoplanet – planets orbiting other stars – in its records this week. The official tally of alien worlds crossed the 6k mark after only ~30
