Giant, intelligent octopuses may have once ruled the ancient seas. Modern octopuses are known for their intelligence and ...

A jaw tip worn down by nearly a tenth does not sound like much until you picture what it means. Chipping, cracking, scratches ...

Researchers discovered evidence of enormous Kraken-like creatures who hunted in the seas some 100 million years ago, ...

A sea lamprey, which has no jaw, has the genetic code to do so, CU researchers find. Photo by Jeff Mitton A half-billion years ago, vertebrates lacked the ability to chew their food. They did not have ...