But even where there are no vents, the explorers found life. It turns out an underwater landslide squeezed methane out of the sediment, which supports an entire ecosystem
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ROV Control Room
Credit: National Geographic Digital Motion/Jen Shoemaker
Scientists operate the ROVs from a control room on the ship. The video reveals sights that have never been seen before, in the planet's last unexplored frontier.
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Tanya joined the LiveScience staff in 2013. She received a graduate certificate in science communication from the University of California, Santa Cruz in 2012. Before that, she earned a bachelor's degree in biomedical engineering from Brown University. She has interned previously at Wired.com, Science News, Stanford Medical School, and the radio program Big Picture Science. To find out what her latest project is, you can follow Tanya on Google+.