When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

The underwater world is full of mysterious and fascinating places that are only open to those who dare to dive into the ...

Imagine you are at sea facing a violent battle with an enemy ship. The experienced 17th-century surgeon John Moyle asked his ...

The ship was exploring the German Channel, a human-made channel carved into a barrier reef in Palau in the western Pacific. It’s a popular dive site known for colorful fish, sharks and manta rays.