Fragment of the asteroid that killed off the dinosaurs may have been found

This amber may contain a piece of the asteroid that struck Earth 66 million years ago. Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny fragment of the asteroid that hit Earth 66 million years ago may have been found encased in amber – a discovery NASA has described as “mind-blowing.” ...

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