Paleontologists in Denmark found a once-gloopy, now-hardened mess that they believe was spat up by a Cretaceous-era fish.

A cluster of 66-million-year-old fish vomit is a natural, national treasure in Denmark. The rare find shines a light on the ...

The fossil was found at a cliff in Denmark. Fossilized vomit is called regurgitalite, and it's a type of trace fossil, which ...

Insect droppings, commonly known as insect frass, may seem useless and downright disgusting, but scientists found that this ...