Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods ...

People collect mussels from the shore, but do they also exist in freshwater ecosystems? Just how many of these inconspicuous ...

But Mosura was different. Instead of the familiar streamlined body with flaps and claws, this little predator had something ...