The incredible discovery of the “first dinosaur fossil linked to the asteroid that caused its extinction”

  • Jonathan Amos
  • BBC Scientific Correspondent

dinosaur leg

David Attenborough sought the help of experts to understand the significance of the fossilized dinosaur foot.

A group of scientists presented a remarkably preserved dinosaur foot.

The limb, complete with skin, is just one of a series of notable finds that have emerged from the site of knowin the state of North Dakota (United States).

But it is not only their exquisite condition that is striking, but also what these ancient specimens can represent.

Scientists believe the Tanis creatures died and were buried on the same day that a giant asteroid hit the Earth.

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