Over the past 15 years, around 150 divers have lost their lives visiting the Blue Hole in Egypt, with estimates suggesting ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Far from the open ocean trenches, divers in a shallow Mexican bay have found a vertical portal into the unknown. The Taam Ja’ ...

Twenty years ago, a cave diver found thousands of fossils in a blue hole on Great Abaco Island. The fossils reveal the island's Ice Age history, with pristine specimens of now-extinct species.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Sinkholes are natural depressions that form when rock ...