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The Nereus unmanned deep-sea vehicle is lost at sea after attempting a dramatic dive into an ocean trench.
Moviemaker's expedition to the Mariana Trench could usher in a new type of undersea lab that can extract chemical compounds from microorganisms living in the deepest parts of the ocean.
Road Trip 2010: In a quest to uncover secrets of the deep, scientists at the Woods Hole Oceanographic Institute have developed cutting-edge software and a series of high-tech underwater vehicles.
A gala event celebrating the 50th anniversary of the first--and only--manned dive to the bottom of the Mariana Trench highlights just how much work needs to be done if mankind hopes to rescue the planet's oceans from their rapidly degrading health.