For me, Summer Saturday mornings at Pier 39 are usually all about a lazy weekend coffee and a nosh. But on June 14, there was something else afoot. As my friend Sue and I emerged from the cool dark ...

There's just something about the unknown. For the last few centuries, inventors, researchers and naval forces have worked to improve human's ability to dive deep. Things have come a long way since the ...

For deep-diving mixed-gas divers, it's far worse. Routinely diving below 130 ft (40 m), the divers are always in pitch darkness, relying on work and helmet lights, and they are tethered to the surface ...