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 ...

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.