The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.
YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed ...
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A massive asteroid is hurtling towards Earth, prompting NASA's warning of a close encounter. Will it strike? What's the ...
USC scientists have made a groundbreaking discovery about the nature of the Earth's enigmatic inner core, revealing for the ...
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