Polish Prime Minister Donald Tusk joked about actor Jesse Eisenberg undergoing military training after the film star was ...

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

Among the more bizarre aesthetic features found in the animal kingdom is the narwhal’s tusk. Protruding up to 10 feet from the whale’s head, the spiral of ivory has earned these creatures the ...

They captured footage of narwhals using their tusks to mess with fish, and even saw a narwhal repeatedly strike a fish with its tusk. But narwhal experts don't agree on what these observations mean.