Scientists work out an enduring mystery about how some fish can seem to disappear.
As human civilization drives more animals to extinction, extreme sizes will likely become the new norm.
Pacific Cod off Alaska's Aleutian Islands are including seabirds. Scientists don't know how often - or even how.
Many fish look misshapen, but there's a method behind the size madness: avoiding fitting into a predator’s mouth.
Although it may look like a whimsical cartoon character, the axolotl is in serious trouble.
The distress call creates chaos and a chance to get away.
The mega shark lived 300 million years ago and would have made today's great whites look like shrimps.
An international team of researchers is shedding a little more light on a family of sharks known as Glyphis.
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