GreenArrow Holdings, Inc. ("GreenArrow"), a leader in advanced transportation infrastructure, today announced the successful acquisition of The Narwhal Group ("Narwhal Group"), a specialized provider ...

For centuries, the purpose of a narwhal’s tusk has eluded explanation. Now, researchers suggest that these small whales use their tusks as sensory organs and speculate that sensing changes in seawater ...

The narwhal's spiraling tusk has a way of hypnotizing those who study it. The 17th-century Danish zoologist Olaus Wörm, for example, grew fascinated with these ivory spars, struggling to unveil their ...

James Deutsch - Senior Content Coordinator, Smithsonian’s America at 250 Book Project Marine biologists may be able to tell us why the narwhal has a distinctive spiraling tusk, but their scientific ...

In the late 1800s, famed explorer Robert Edwin Peary — the man credited with leading the first expedition to reach the North Pole — returned from his Arctic excursion with a unique souvenir: the long, ...