Tens of thousands of giant spider crabs were captured on video migrating in Port Phillip Bay, Australia. The crab swarm happens every year as the water cools and the creatures "come into the shallows ...

Emerging from the rainforest floors of Christmas Island, a sea of red crabs embark on their annual journey to the ocean to breed and lay eggs. They follow the same migration route each year and take ...

In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Deep in the muddy mangroves, giant crabs bury themselves under layers of sand and roots. Hunting them means digging with bare hands, feeling blindly for armored claws that can crush with bone-breaking ...