Scientists say a massive ice sheet in Antarctica is starting to collapse. It's not going to slide into the ocean over night, but rather over centuries. Still, it will fall, scientists say. It's gotten to the point it can't be stopped — and that means rising sea levels.
Those on the Spirit of Mawson Antarctic expedition were relieved and jubilant when they were rescued last week after being stranded on a ship caught in Antarctic pack ice. But some polar scientists were not as jubilant. They question the trip as more a lark than a serious expedition — which diverted several icebreakers from serious scientific work.
Name a place -- discovered in 1904 -- where you can find the southernmost working post office (open to tourists) in the world. It was set up by the British as a base during WWII, then operated as a British research station until 1962. Designated Historic Site No. 61 under the Antarctic Treaty, today it's one of the most popular tourist destinations in Antarctica.
A new study of blue whales in the eastern Pacific has found that the population of the behemoths there has bounced back to near pre-whaling levels. But other populations of blues elsewhere are not doing nearly as well.
Seals spend a lot of time in the water — which makes them nearly ideal vehicles for gathering data on ocean currents and changes in ocean conditions. But doing that requires a little bit of cooperation from the seals.