The Vanguard capsule is an underwater habitat that can fit four people for a week or more. But could this be the future for ...

An ancient underwater city beneath Turkey's Lake Van stuns scientists, potentially revealing secrets that challenge the origins of Noah's Ark. The sprawling ruins lie 85 feet below the surface near ...

A tantalizing trove of treasure from a 2,000-year-old underwater city was pulled from the sea off the coast of Egypt Thursday, much to the delight of art and history buffs. The ancient artifacts — ...