March 18 (UPI) --The unicorn-like tusk of the narwhal whale is an element in sexual selection, and size matters, a study published on Wednesday indicates. The male narwhal, which typically grows to ...

Narwhals are often referred to as the ‘unicorns of the sea’ because of the unicorn-esque tusks they grow on their heads. There’s no question that the narwhal’s discernible tusk makes it one of the ...

These majestic creatures make their homes in the dark, frigid waters of the Arctic. In fact, narwhal are some of the deepest swimming creatures, diving to at least 800 meters (2,625 feet) over 15 ...

The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill prey, according to wildlife researchers who have spied on these elusive creatures using drones. They ...

Narwhals are often called the unicorns of the sea. The long tusk of the male narwhal sets these whales apart, but it’s not the only thing that makes Monodon monoceros among the most intriguing and ...

As much as I applaud scientific research that reveals nature’s secrets, I feel a sense of satisfaction when some natural mysteries remain mysteries. The narwhal is my favorite example. Narwhals are a ...