Dust and other debris would rise into the atmosphere on Bennu striking Earth, blocking out the Sun and cooling the planet to ...
YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.
That’s the day an asteroid dubbed 2024 YR4 may strike our planet. Cosmic bookmakers don’t make an impact terribly likely.