The surface of the Earth is about two-thirds water, but how much of the world’s deep seas do you think we’ve explored?

Deep-sea sediments reveal the production sites of the heaviest chemical elements in the Universe to be neutron star mergers — rare events that eject large amounts of mass — and not core ...

Red Sea diving is not uncommon, but fewer people are familiar with the dive sites off the coast of Saudi Arabia. Here, we ...

Matthew Gavin Frank is the author of “Submersed: Wonder, Obsession, and Murder in the World of Amateur Submarines.” ...