NASA releases new details on 'city killer' asteroid

YR4 'no longer a threat' to Earth, Nasa scientists say - Discovered by Arizona's Catalina Sky Survey, the Big Ben-sized ...
The 2024 YR4 asteroid, which is nearly the size of a football field, now has roughly a 0.004% chance of hitting Earth in ...
NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...
The likelihood of asteroid 2024 YR4 hitting Earth in 2032 rose and fell last week. NASA's impact odds are now so slim that ...