Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

For millions of years, the land we now call the United States has been home to towering prehistoric beasts, strange sea creatures, and lush ancient forests that no longer exist. Evidence of this ...

But the cause of death for one unlucky bird that lived about 120 million years ago is clearer: the cluster of rocks in its throat tells scientists that it probably choked to death. The reason why this ...

A team of MIT geochemists has unearthed new evidence in very old rocks suggesting that some of the first animals on Earth were likely ancestors of the modern sea sponge. In a study appearing today in ...

"We CT scanned this new fossil so we could compare it to these other birds with gizzards." The CT scan data indicated that whatever the mass of rocks in the little bird's throat were, they were not ...