The fossil, Shishania aculeata, was originally thought to be an early mollusc, a group that includes snails and clams.

The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

A peculiar spiny fossil, once thought to represent one of the earliest mollusks, has now been conclusively reclassified by ...

By Spoorthy Raman and Alex Shaw As apex predators, lions (Panthera leo) roam the African savanna, and occasionally even the ...

A beach in the Australian state of South Australia has been closed due to a mysterious foam. Surfers have reported cold and ...