In 2019, an American explorer broke records by traveling to the bottom of the Mariana Trench, but what he found there was ...

It lies in 6,895m (22,621ft) of water. Texan multi-millionaire and adventurer Victor Vescovo, who owns a deep-diving submersible, discovered the "Sammy B" battered but largely intact. Read more ...

OceanGate’s website says the Titan’s “innovative use of modern materials” make it “more cost efficient” than any other kind of deep-diving submersible. The company says the Titan was ...

About 99 percent of our planet's living space lies underwater, with a dizzying variety of organisms thriving from the surface to the scorching waters of our deepest ocean vents miles below.

24-foot submersible, rested in its cradle. In a few days Cameron planned to deploy the craft in a deep seafloor trench off the coast, a shakedown run for the big dive to come in the Mariana Trench.

Sightings of dumbo octopuses are rare, so researchers were enthralled when one appeared on their submersible's camera on a deep-sea dive near Hawaii. More from News Sightings of dumbo octopuses ...