NASA City-killer Asteroids: Earth’s Defence System Not Ready For Thousands Of Killer Space Rocks
Published on: Feb. 17, 2026, 7:20 p.m. | Source: Times Now
NASA scientists recently expressed alarm over the potential threat posed by approximately 15,000 undetected asteroids capable of causing significant regional destruction. Currently, only 40 per cent of near-Earth objects over 140 meters have been identified., Technology & Science, Times Now
