Author: Maggie Lieu, Research Fellow, School of Physics and Astronomy, University of Nottingham

In December 2024, astronomers in Chile spotted a new asteroid streaking through the sky, which they named 2024 YR4. What’s significant about this 100m-wide space rock is that it has a small chance of hitting Earth in 2023. Since its discovery, the asteroid’s probability of an impact with our planet has gone all over the […]