Google and Columbia University wanted to celebrate World Oceans Day in style yesterday, so they revealed what is the largest map of Earth’s seafloor to date.

The Census of Marine Life has released the most comprehensive inventory of ocean life ever created. See some of the deep-sea stars of the “roll call,” and find out which regions are the most diverse—and threatened.

Ocean Leadership shapes the future of ocean science and technology through discovery, understanding and action.

Remotely Operated Vehicles (ROV’s) have evolved from being “flying eyeballs” to serving crucial roles in the deep sea, from scientific discovery to the Deepwater Horizon oil leak.

Is BP trying to silence expert witnesses along the Gulf? CNN’s Randi Kaye investigates.

Having just returned from his fourth trip to the Gulf Region, the President addressed the American people for the first time from the Oval Office. He focused on the government’s ongoing all-out response to the immediate crisis, the steps being taken to make sure such a crisis does not happen again, and the longer term crisis of America’s reliance on fossil fuels.

Diver and underwater photographer Scott Gietler contacted me this week about his latest adventure.

Check out the video slideshow that was shown at the 2010 NOSB Finals award ceremony.

Hydrothermal vents – deep, volcanic cuts in the ocean floor – are among the most extreme environments where life exists. Now robots have explored the deepest vent and found a network of “ocean-bottom jets” that creatures use for swift transportation.

The Census of Marine Life “Creature Feature” video, produced by National Geographic for the Deeper-Than-Light news release, has been nominated for a Webby.The Webby Award is the leading international award honoring excellence on the Internet.

IODP Expedition 318: Penguin TV Episode 4 – Scientific Ocean Drilling for Kids!

Part FIVE of the weekly updates from the JOIDES Resolution, sailing for the Antarctic coast of Wilkes Land between January and March 2010.