This mouth structure wasn’t an evolutionary relic, however. It was actually a specialized feature that allowed them to thrive. It now appears Dunkleosteus boasted a head and jaw more reminiscent of a ...

That these seals can live to healthy old age is remarkable. Humans once hunted them rapaciously for their sweet, sweet oil.

Coiled in self-defence, this armoured creature – the armadillo girdled lizard – turns its body into a formidable fortress to ...

The Sargasso Sea is a patch of unusually calm water 590 miles east of Florida. Strong currents rush around its edges, but inside it's smooth.

Orcas are at the top of the marine food chain, with no natural predators. From fish to seals, even great white sharks, ...

About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

Wondrous kelp beds harbor a complex ecosystem that’s teeming with life, cleaning the water and the atmosphere, and bringing ...

Tales of sea serpents have haunted seafarers for centuries, and Scottish researcher Adrian Shine offers a naturalist's view ...

Three marine creatures were seen from the sky off the coast of New England in October, according to the New England Aquarium. Screengrab from the New England Aquarium on Facebook In a “rare sighting” ...

DULUTH – If the deadliest creature at the Lake Superior Zoo could experience serenity, his introduction to his new space last week surely did it. Rumen, a reticulated python, soaked up the warmth of ...

An undersea submersible has revealed crabs, worms, and fish living on World War II explosives in the Baltic Sea. These munitions were thought to be too toxic for marine life. At a former weapons dump ...

A new study has found evidence to suggest that warheads tossed into the sea can serve as viable habitat for several species of marine life, but that doesn't mean we should leave them at the bottom of ...