NASA has been changing the odds of asteroid 2024 YR4 hitting Earth in recent days, but the latest shift significantly downgrades the asteroid's threat level and makes a moon strike more likely.
Dr. Richard Binzel is a leading astronomer and professor at MIT. Binzel and his team have been tracking asteroid 2024 YR4 for ...
YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, ...