When scientists spot an asteroid whose trajectory might take it close to Earth, they monitor it frequently and calculate the probability that it might collide with our planet.
On Feb. 18, 2025, NASA updated the probability of asteroid "2024 YR4" impacting Earth on Dec. 22, 2032, from 2.6% to 3.1%. The European Space Agency (ESA) also updated its estimate of the probability ...
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