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Circumpolar Current's role in climate questioned; study challenges Antarctic ice origin theory.

Antarctica is the coldest, windiest, driest continent on the planet, and researchers are still discovering many of its secrets. Find out some of the most interesting facts about the southernmost conti

The Landsat project, a joint venture between NASA and the US Geological Survey, is the longest continuous space-based record of Earth in existence. A total of eight Landsat satellites have been launched into space since 1972, with a ninth set to

For the first time in the more than 100 years that National Geographic Society has mapped the world's oceans, it will recognise five of them.

How many oceans are there on Earth? National Geographic now says five. Paulina Firozi © National Geographic Maps/National Geographic Maps National Geographic now recognizes five world oceans, including the Southern Ocean, which it defines as most of the waters surrounding Antarctica out to 60 degrees south latitude. (Courtesy of National Geographic Maps) For the first time in the more than 100 years that the National Geographic Society has mapped the world’s oceans, it will recognize five of them. The organization announced this week that it will recognize the Southern ...