Both submersibles carry up to eight 1,200-watt halogen-mercury-iodine lights ... for ocean exploration and filming. Their first prototype, Deep Flight I, is a one-man submersible shaped like ...

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.

The absence of an independent review and the submersible's unconventional design subjected the Titan to scrutiny in the undersea exploration ... found on the ocean floor about 330 yards (300 ...