More than 66 million years ago, a duck-billed dinosaur named Edmontosaurus annectens left behind something remarkable.
When scientists from the University of Chicago revisited its fossil remains in Wyoming, they uncovered not simple bones, but…
More than 66 million years ago, a duck-billed dinosaur named Edmontosaurus annectens left behind something remarkable.
When scientists from the University of Chicago revisited its fossil remains in Wyoming, they uncovered not simple bones, but…