planetary defense

Scientists Watch ‘City-Killer’ Asteroid 2024 YR4 as It Looms Over Earth | World News

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On Christmas Day 2024, an asteroid nearly the size of a football field silently slipped past Earth, coming within twice the distance of the Moon. Just two days later, astronomers peering through a Chilean telescope noticed something disconcerting: this space rock, now designated 2024 YR4, might not miss us next time.Since then, its trajectory has … Read more

This Asteroid Could Hit Earth In 2032, Threatening To Wipe Out A City

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NASA scientists have found an asteroid named 2024 YR4, which might collide with Earth in 2032, posing a 1-in-83 chance of impact. The asteroid, measuring around 130 to 300 feet across, is too small to threaten the extinction of humankind, but experts warn that it could cause massive destruction if it hits a major city. … Read more