In a warming Arctic, noise from growing shipping traffic is interfering with the ability of narwhals to hunt and communicate.

For most of their evolutionary history, narwhals have relied more on sound than sight to survive in the Arctic’s dark icy ...

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 ...

CNN — It was a mystery for nearly 30 years. A hunter turned over a whale skull that appeared to share the characteristics of both a beluga whale and a narwhal. Scientists were stumped. But, years ...