‘City-Killer’ Asteroid Threat: Could thousands of undetected space rocks hit Earth? Here’s what’s keeping NASA Scientists awake at night
In a stark warning that has reignited debate over planetary defence, scientists have said thousands of potentially devastating “city killer” asteroids remain undetected, posing a serious threat to Earth. Even as space agencies have demonstrated that deflecting an asteroid is possible, experts concede there is currently no ready-to-launch system if a real emergency arises. Speaking