With their long, spiral tusks, narwhals are like the unicorns of the sea. The iconic tusk is actually a tooth and is mostly seen in males. It can grow up to 10 feet long and is believed to play a role ...

What are the narwhals up to? Generally, we don't really know! They are mysterious creatures. NPR science correspondent Nell Greenfieldboyce talks... Narwhal sightings are rare. Scientists just saw ...

The BBC has filmed the elusive narwhal - the arctic whale best known for its unicorn-like tusks. A BBC team has filmed, what it believes to be the first, aerial footage of the narwhal whales. During ...

If you ever want a chance to see a 82-inch narwhal tusk up close, look no further than Worcester, Massachusetts. Worcester’s EcoTarium, a science and nature museum, has received a donation of a rare ...

Inuit hunters led researchers up a fjord in Greenland in pursuit of mysterious and shy narwhals. The geophysicists were hunting the sounds of the unique marine mammals called the “unicorns of the sea.

In this Monday, Dec. 2, 2019 file photo, tributes are placed by the southern end of London Bridge, three days after a man stabbed two people to death in London. AP Photo/Matt Dunham, file LONDON -- A ...