For 78 years now, scientists from around the world have been gauging exactly how close human civilization is to disaster.
The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking Earth in just seven years.
Earth is moving closer to destruction, a science-oriented advocacy group said Tuesday as it advanced its famous “Doomsday Clock” to 89 seconds till midnight, the closest it has ever been.