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Sea Ice in its Ever-Changing Forms
For two months, Cassandra Brooks, a marine scientist with Stanford University,...
The Census of Marine Life
Did you know that over 17,000 species thrive in the deep sea where no light...
The Arctic and The Antarctic
Travel to the ends of the earth—literally—and discover the polar ocean basins....
The Ocean Throughout Geologic Time, An Image Gallery
Evidence shows that life probably began in the ocean at least 3.5 billion years...
Rudist Reefs
About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
A Trip South to Antarctica's Ross Sea
The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean...
Semaeostome Jellyfish
The Semaeostomes (the name translates to "flag mouths") are an order of...
Sea squirts, or ascidians, are a diverse class of marine invertebrates representing...