HALIFAX — Two years before the Titan submersible imploded south of Newfoundland, killing five people, Canada’s Fisheries Department sent a letter of support to the sub’s American owner, the U.S. Coast ...

OceanGate ignored critical warning signs and fired employees who expressed safety concerns, the new report shows.

Transparent-faced fish glide through the murky depths, snow-like detritus drifts from above, and soft sponges emerge from the ...

A robot is navigating the dark, cold depths of the South Atlantic seabed, streaming images of dazzling coral and previously ...