A 444-million-year-old fossil named "Sue" preserves internal organs of Keurbos susanae, raising questions about arthropod ...

Researchers found evidence that the joints evolved as the species became active predators with jaws and mobile skeletons.

Now, the first-ever dissection of a spade-toothed whale has returned some novel insights about their anatomy. “Not only was this tohorā ... Weights and measurements and descriptions were made of ...