Photographs (left) showing the extinct right whale partial skull with shark bite marks highlighted in red. The more complete ...

Researchers have captured extraordinary footage of sperm whales randomly headbutting each other, confirming anecdotal reports from mariners and whalers in the 18th and 19th centuries.

The animal kingdom stretches anatomy far beyond human expectations. Some creatures carry organs that rival furniture in size, while others rely on structures so tiny they can only be seen through a ...

A rare blue whale sighting off the coast of New England has surprised researchers. Discover the reasons behind this unusual ...

Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted fish by wading, researchers reported.