YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed ...
NASA will use the James Webb Space Telescope to gather crucial data on the size of asteroid 2024 YR4, which has a small ...
YR4 has a small chance of hitting Earth in 2032, and China is preparing to deter it by mirroring a U.S. space test.
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