Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032. Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032. Asteroids, Earth, Space and Astronomy, National Aeronautics and Space Administration, European Space Agency, Telescopes and Observatories, Research NYT > Science