Melting ice in the Antarctic is not just raising sea levels but slowing down the circulation of deep ocean water with vast implications for the global climate and for marine life, a new study warns.

(CNN) — The icy plains of Antarctica are a magnet for meteorite hunters such as Maria Valdes, a research scientist at the Field Museum of Natural History and the University of Chicago. Some 1,000 ...

Routes between North America, Europe, and Asia routinely cross Greenland, northern Canada, or the Arctic Ocean. At the same time, scheduled commercial flights almost never cross Antarctica, even when ...