Off the Atlantic coast of France, a retired geologist scanning the seabed for routine coastal data instead stumbled onto a ...

The vast majority of our planet’s oceans remain unexplored, hiding secrets that challenge everything we thought we knew about human history and geology. Every so often, sonar technology or daring deep ...

Underwater treasure hunting always brings surprises. This dive turned up some of the strangest objects we’ve ever found. But the situation changed quickly when someone in the water needed help. What ...