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Extinctions Articles

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 An Extinct Mammal May Have Been Replaced By Today's Sea Cows

A hippopotamus-like creature swims underwater

August 2016

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

Screenshot from video with the face of a great white shark swimming at the screen.

Video

Are Sharks Scary?

Whale fossils on the mainland, and into a CT scanner

Gabor Szathmary secures one of the plaster jackets containing a fossil "toothed" mysticete that was excavated on Vancouver Island.

May 2012

Screenshot from video "Excavating an Extinct Toothed Whale" showing two scientists digging in the ground for fossils.

Video

Excavating an Extinct Toothed Whale

Screenshot of opening slide for lecture "Efforts to Protect the Critically Endangered Monk Seal."

Video

Efforts to Protect the Critically Endangered Monk Seal

Hawaiian monk seals are among the wildlife found within the Papahānaumokuākea World Heritage Site.

Slideshow

Endangered Ocean Animals