For more than 60 years, the ginkgo-toothed beaked whale (Mesoplodon ginkgodens) was one of the ocean’s greatest mysteries.

Scientists have finally photographed a whale known only from sounds and remains, linking a mysterious deep-sea signal to a ...

A research trip along the coast of Baja California, Mexico, led to a world first. Scientists from Oregon State University and the U.S. military's Naval Information Warfare Center were aboard the ...

Marine biologists are examining the remains of what's believed to be a spade-toothed whale, one of the planet’s rarest marine mammals, which washed ashore on a New Zealand beach on July 4. The ...

For years, a strange, repetitive clicking sound pulsed through the deep Pacific. It was heard again and again on hydrophones ...

WELLINGTON, New Zealand — It is the world’s rarest whale, with only seven of its kind ever spotted. Almost nothing is known about the enigmatic species. But on Monday a small group of scientists and ...

Rare tusked whales have been identified and photographed alive at sea for the first time following a herculean research effort off the shores of Mexico, a new study finds. The newly-sighted cetaceans ...

WELLINGTON, New Zealand (AP) — It is the world’s rarest whale, with only seven of its kind ever spotted. Almost nothing is known about the enigmatic species. But on Monday a small group of scientists ...

Guide to the beaked whales. Arnoux's beaked whale ; Baird's beaked whale ; Northern bottlenose whale ; Southern bottlenose whale ; Longman's beaked whale ; Sowerby's beaked whale ; Andrews' beaked ...

Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern Pacific ...