The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 ...
NASA says the chances of a direct hit by asteroid 2024 YR4, which could be the size of a football field, keep shifting. CBC ...
YR4 had a 3.1% chance of hitting earth in 2032 according to experts, but the chances dropped to 1.5% overnight. Here's why.
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