No way to stop 15000 city-killing asteroids from striking Earth: NASA scientist warns

Earth faces a significant threat from thousands of undetected asteroids capable of destroying cities. NASA's planetary defence chief warns that current systems cannot reliably stop these 'city-killers'. While progress is being made with new telescopes and international efforts, a substantial gap remains in our ability to detect and deflect such objects before they impact our planet.

By TOI Science Desk