"When a big shadow appears in the deep blue & starts moving straight towards you,” reads the Manta Dive Center Instagram ...

The ocean’s ultimate predator once hunted whales with ease. Here’s why the world’s biggest shark eventually vanished off the ...

Experience the gentle majesty of the ocean's largest fish with this intimate close-up video of a whale shark. The footage focuses on the animal's massive head, revealing the intricate patterns of its ...

Millions of years ago, this giant sea scorpion terrorized the ocean. It was the apex predator of its time. So what if we brought it into the modern-day and had it fight another giant sea predator? JFK ...

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe it just wanted to be left alone. By Elizabeth Preston Like a scarf out of a magician’s sleeve, the squid appeared.