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

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature (IUCN) maintains the...
Thu, 10/28/2010 - 19:01
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
Colorful fishes throng a reef in the Northwestern Hawaiian Islands.
slideshow

Bizarre and Beautiful Coral Reef Animals

From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy...
Fri, 12/04/2009 - 14:05
A variety of corals cling to Manning Seamount, just off the coast of Cape Cod, Massachusetts.
slideshow

Seamounts, A Deep-Sea Habitat

Thousands of seamounts—most of them undersea volcanoes—tower above the muddy...
Fri, 12/04/2009 - 14:41
A spiraled diatom with spines.
slideshow

The Ocean Under the Microscope: Images from Nikon Small World

The ocean is so big that it can be easy to forget the microscopic beauty of the...
Wed, 04/30/2014 - 10:34
A team of scientists explore the Arctic ocean.
slideshow

Under Arctic Ice

Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48
Hagfish Slime Thread
Photo

Spin Hagfish Slime into Silk

Believe it or not, this unraveling thread is from hagfish slime. Hagfish are...
Lacy Crust Bryozoans
Photo

Lacy Crust Bryozoan

This colony of a lacy crust bryozoan (Membranipora membranacea) started off as just...
Red Algae
Photo

Branching Red Algae

Under the microscope, you can peer inside the cells of this filamentous red algae....
Deep-sea Copepod Head
Photo

Deep-sea Copepod Gets a Close-up

This female deep-sea copepod (Pontostratiotes sp.) was collected in the...
Tardigrade Under the Microscope
Photo

Psychedelic Tardigrade

Tardigrades, which are usually less than 1 mm long, can be found in almost every...
The head of a turtle-headed sea snake.
Photo

A Turtle or a Sea Snake?

Like other sea snakes, the turtle-headed sea snake (Emydocephalus annulatus) has...

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