ocean

(Newser) - A NASA astronaut hurled two large pieces of space junk—a 1,400-pound reservoir filled with ammonia and a 212-pound piece of video equipment—off the International Space Station and into the Earth's orbit today. NASA does not approve of space littering, Reuters reports, but the agency had no other...

(Newser) - Moby-Dick and Jonah can rest easy—the most overexposed whales in the world appear to have returned to the obscurity of the Pacific Ocean. The two humpbacks, who sparked an international media frenzy after getting stuck in the Sacramento-San Joaquin River Delta 2 weeks ago, haven't been seen since late...

(Newser) - The lost whales in the Sacramento River are on their way home, but may now be in danger from large ships. The mother humpback and her calf had lingered more than a week in the freshwater river, but now have made it to about 50miles from the ocean. The closer...

(Newser) - Plankton may hold the key to solving global warming—or so say Silicon Valley entrepreneurs who are investing heavily in the idea. Scientists will dump several tons of plankton-producing iron into the ocean to see if the microscopic organisms will, as they expect, suck CO2 from the atmosphere and carry...