Far beneath the waves, animals evolve in strange and surprising ways, often becoming much larger than their shallow-water relatives. This video explores why deep sea creatures grow to giant sizes, and ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

The waters off the glittering coastlines of Britain's Caribbean territories have long been a mystery. But now scientists on the first expedition beyond the islands' shallows have discovered an ...