Long before dinosaurs and humans there was a spider relative, shaped like a Greek warship, which swam around Iowa seeking prey.
Canada's Atlantic coast holds a creature that wins its own species designation thanks to new DNA analysis methods.
Some fish don't mind feeling the Earth under their fins.
The elusive Allonautilus scrobiculatus, unseen since 1984, pops up in waters off Papua New Guinea.
When it comes to harassment from the men, the women figure out how to quicken their evasive maneuvers.
The National Oceanic and Atmospheric Administration is mapping the deep waters around Hawaii, capturing beautiful images of life down below.
The archerfish is a sharpshooting threat even to creatures outside of the water.
It was seal: 1 shark: 0 at Cape Cod on Monday, when a seal leapt for its life to escape the jaws of a hungry great white.
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