On a rainy night in northern Vietnam, a carnivorous creature with "hook"-like teeth emerged from hiding and moved "slowly" along the bank of a mountain stream. Something about it caught the attention ...

Discover the wide range of fish and freshwater creatures that call the Tennessee River and its surrounding valley home.

Deep in the waters along the Atlantic Coast swims a fish that looks like it’s smiling—because it almost is. Known as the ...

Scientists found thousands of patterned fish nests in Antarctica’s Weddell Sea, boosting calls for marine protected areas.