Signs for sharks and seals are created by a University of Exeter student in Cornwall.

Scientists studying sperm whales have uncovered the foundational aspects of their potential communication system. Sperm whales, like many cetaceans, use rapid clicks for communication and echolocation ...

Whales use complex communication systems we still don’t understand, a trope exploited in sci-fi shows like Apple TV’s Extrapolations. That show featured a humpback whale (voiced by Meryl Streep) ...