Scientists have hypotheses about some of nature's biggest mysteries but are still working on proof. Some beautiful phenomena ...

An extremely loud sound detected in the deep sea 28 years ago remains as one of the most mind-boggling underwater mysteries.

They look like drifting dinner plates, but mola molas are among the ocean’s most fascinating giants. In this video, we dive ...

The results showed evident geographic disparities in deep-sea exploration. Almost 65% of sightings were from waters around ...

Before you get in the water this summer, take a peek at the many ocean mysteries lurking below Dive deep into ocean mysteries ...