Asteroid 2024 YR4 will not hit Earth, but it has forced planetary defense experts to confront a different kind of worst case: a significant chance that a “city killer” rock could slam into the Moon ...

Discovery images of 2024 YR4. An asteroid that will fly near Earth in 2032 is now expected to pass safely by the planet, with the probability of impact just 0.004%, NASA said on Monday. That is a ...

NASA and ESA are closely monitoring asteroid 2024 YR4, which initially had a higher collision probability with Earth than the Apophis asteroid. New data has since lowered the impact risk to 1.5%, with ...

A near-Earth asteroid named 2024 YR4 was first reported in December by the NASA funded Asteroid Terrestrial-impact Last Alert System station in Chile. As of Thursday, Feb. 20, data shows that there is ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights I was preparing for my early morning class back in ...