Planetary Defense NewsLatest News On Planetary Defense City-Killer Asteroid 2026 JH2 to Make Extremely Close Approach to Earth5/14/2026 10:15 PM NASA Warns of Undetected 'City-Killer' Asteroids Threatening Earth2/17/2026 4:49 AM NASA Warns of Thousands of Undetected 'City Killer' Asteroids and Lack of Preparedness2/17/2026 4:49 AM NASA Warns of Thousands of Undetected 'City-Killer' Asteroids2/17/2026 4:49 AM NASA Raises Risk of 'City-Killing' Asteroid Impact in 20322/19/2025 11:41 AM NASA Raises Chances of 'City-Killing' Asteroid Smashing Earth in 20322/19/2025 11:41 AM City-Killer Asteroid on Collision Course with Earth in 2032 - Will We Be Able to Stop It?2/17/2025 6:37 PM MIT and Nvidia Team Up to Spot Tiny Asteroids Using JWST and GPUs2/17/2025 4:53 PM Asteroid 2024 YR4: A Ticking Cosmic Time Bomb?2/14/2025 11:08 PM City-Killer Asteroid: 2.3% Chance of Impact in 8 Years, Terrifying Video Shows Potential Devastation2/14/2025 3:39 AM
