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Narwhals with their long unicorn-like tusks.
Article

Native Knowledge of the Narwhal

The narwhal is an elusive mammal. During the winter months they feed in the deep...
March 2020
an elephant seal with a tracker
Article

Citizens of the High Seas

In a world where land is partitioned into countries with defined borders, the ocean...
August 2019
dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

Florida corals had a rough 2014. During that year higher than normal ocean...
August 2019
Walter Adey and the NMNH coral reef tank
Article

The Evolution of a Reef Aquarium

In the late 1970s, Walter Adey, a paleobiologist and coral reef researcher at the...
October 2017
An unidentified earplug from the National Museum of Natural History collection.
Article

Ocean Objects of Wonder

As humans, we are constantly learning. Not only as individuals from the moment we...
March 2017
A tornado of sardines swirls around diver and photographer Erwin Poliakoff in the Philippines.
Article

Why the Littlest Fish Matter a Whole Lot

Top predators along the California coast are having a rough year. Recently starving...
May 2015
Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico
Article

Tagging and Tracking Animals Underwater

How do we know where ocean animals swim day and night? Scientists are getting...
May 2012
A variety of organisms make their home on this tropical coral reef in Indonesia.
Article

Coral Reefs Need You

For those of you who have had the opportunity to visit a coral reef, you know that...
October 2010
The Havre volcano lies three thousand feet (900 meters) beneath the sea surface.
Article

The Mystery of an Underwater Volcano

Three thousand feet (900 meters) beneath the sea surface, in the middle of the...
March 2018
A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

In the frigid Arctic Ocean, a mysterious toothed whale—the narwhal— resides...
August 2017
The robotic underwater glider Scarlet Knight crossed the  Atlantic over the course of several months in 2009.
Article

Underwater Robots Explore the Ocean

Glider Technology Now Used to Study Oil Spill in Gulf of Mexico The first...
October 2010
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