Debunked reveals the deepest depths a human can safely dive underwater.

Russian Alexey Molchanov breaks his own 2024 world record in one of the most technically challenging freediving events.

In summer 1958, 27-year-old Navy Staff Lt. Don Walsh was assigned to the submarine tender Nereus, part of Submarine Flotilla 1 at the sub base on Point Loma. It was a safe, steady desk job, but less ...