The space rock caused quite a stir after astronomers first spotted it last year on a trajectory bringing it uncomfortably ...
CAPE CANAVERAL, Fla. — Scientists have finally given the all-clear to Earth from a newly discovered asteroid. After two months of observations, scientists have almost fully ruled out any threat from ...
YR4 once held a 3.1% impact chance, with the power of 500 Hiroshima bombs. Though the risk dropped, future asteroid threats ...
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