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the skull of a mosasaur
Article

Meals of the Mighty Mosasaur

Between 100 and 65 million years ago, at the time when dinosaurs reigned on land,...
November 2018
Illustration of Robotic Glider Evading Fishing Nets
slideshow

Robotic Ocean Explorer

This is the world’s first unmanned, underwater robot—or “glider”—to cross...
Wed, 12/08/2010 - 12:08
An artistic rendering of an ocean landscape as it may have looked during the Archean Eon.
slideshow

The Ocean Throughout Geologic Time, An Image Gallery

Evidence shows that life probably began in the ocean at least 3.5 billion years...
Tue, 09/20/2011 - 15:30
Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.
slideshow

Endangered Ocean Animals

The Endangered Species Act (ESA) was signed into law on December 28, 1973 by...
Mon, 12/02/2013 - 14:00
A hippopotamus-like creature swims underwater
Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly...
August 2016
A researcher holds an arm bone from a "toothed" mysticete whale from Vancouver Island.
Personal Perspectives

Dispatches from the Field: Treacherous stream crossings and a new fossil find

We departed from Port Renfrew on Tuesday morning on the Michelle Diana, a boat...
May 2012
Nick Pyenson points to a skull and skeleton of a fossil whale.
Personal Perspectives

Excavating a "toothed" baleen whale from Vancouver Island

The whales that we see in today's world can broadly be split into two groups: those...
May 2012
An illustration of a recently discovered species of Monodontid, Bohaskaia monodontoides, and its beluga and narwhale relatives
Personal Perspectives

Smithsonian Scientists Describe a 'New' Fossil Whale

Monodontids, the group of whales that includes the belugas and narwhals swimming...
March 2012
Smithsonian Scientists Dig a Trench Around a squalodontid Skull
Personal Perspectives

Expedition to Excavate a Fossil Whale

My graduate student Jorge and I are departing today for Panama, to excavate a...
June 2011
Two skulls belonging to extinct marine mammal herbivores used in the new study, both from the Smithsonian’s collections.

When Did Today’s Whales Get So Big?

More recently than you might think, say scientists who scoured the fossil...
July 2016
One-meter-tall plastic drifters are released into the Gulf of Mexico in 2012. Over 300 of these drifters were released and their location information was sent to researchers every five minutes through GPS satellite.

CARTHE Drifters: Where does oil go when it is spilled?

Throw a message in a bottle into the vast ocean and where does it go? The answer to...
February 2014
A close-up image of a fossil shark jaw with teeth.

Shark Teeth Tell Great White Shark Evolution Story

For the last 150 years, paleontologists have debated the origins of the great white...
November 2012

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