The UN has activated planetary defense protocols for the first time to better determine the orbit, size, and threat posed by 2024 YR4, a rock discovered on December 27 that has a 1.6% chance of ...
It is as wide as the wing span of a 747 and has a 1 in 83 chance of hitting the Earth when it arrives in 2032. David Moore of ...
Researchers discovered Asteroid 2024 YR4 last Christmas — and the odds on it hitting Earth have increased since ...