 
                            
                    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    
        
    
        
     
                             
                             
                             
                             
                             
                             
                             
                             
                             
                            