A ‘city-killer’ asteroid that, until a few months ago, was believed to be a threat to Earth is increasingly looking like it could crash into the Moon in 2032. Asteroid 2024 YR4 was discovered on Dec.
LAST DECEMBER, WHEN ASTRONOMER Eleanor Helin got the word that an asteroid just discovered by her friendly rivals at the University of Arizona was zipping around in an orbit that would bring it toward ...
Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These ...
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