Researchers observed a number of surprising behaviors by the ivory-sporting whales during an expedition with drones in the Canadian High Arctic.

There has been a lot of discussion recently about the type of helmet that Odysseus will use in Christopher Nolan's film about the Odyssey.

Elephant tusks are both a valuable tool and a potential liability for these gentle giants. The desire for ivory has made elephants popular targets for illegal poaching, and it can have a ...