Antarctica

An aerial image of B-22A captured by NASA's Terra satellite on Feb. 2, 2022.  (Image credit: NASA/MODIS/Terra satellite)An enormous iceberg that first broke off Antarctica's "Doomsday Glacier" more than 20 years ago is finally waving goodbye to the icy continent after being freed from the seafloor, which had trapped the…

An illustrated reconstruction of a sauropod skull discovered in Australia, which paleontologists say belongs to the species Diamantinasaurus matildae. (Image credit: Australian Age of Dinosaurs Museum)A nearly 100 million-year-old, exceptionally well-preserved sauropod skull discovered in Australia may show that dinosaurs trudged across Antarctica from South America to Australia, researchers have…

An enormous iceberg that set off from the Antarctic coast in late 2022 has been photographed by NASA satellites as it drifts away into the Southern Ocean. The iceberg, known as B-22A, is around 1,158 square miles in area—around 4 times the size of New York City. The piece floating…

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In 1895, seven men from the Norwegian whaling ship Antarctic made the first substantiated landing on the Antarctic continent. But four long decades passed before a woman could claim the same. Antarctica, with its extreme temperatures and barren wastelands, was viewed for many years as the perfect battleground for men…

Home News Science & Astronomy On Feb. 21, Antarctica's sea ice retreated to its lowest extent since satellite records began in 1979. (Image credit: Shutterstock) The amount of sea ice surrounding Antarctica has reached its lowest level since modern records began, for the second year in a row.  Sea ice…

The nunatak refuge hypothesis is that life retreated during ice ages to ice-free refuges on mountain tops (nunataks) and moraines, across the continent. Evidence for this theory comes from springtail specimens and geological records. This map of an ice-free Antarctica (a) reveals land above sea-level (green/yellow/brown). Every known springtail sampled…

AnimalsThe odd bird, an Adélie penguin, has a genetic mutation that affects the amount of pigment in its feathers. ByJason Bittel Published March 24, 2023 • 3 min read Antarctica’s Cape Crozier is not somewhere tourists or even scientists usually go. To protect one of Earth’s largest Adélie penguin colonies,…

The mystery of the 'bleeding' waterfalls in Antarctica were solved after decades of confusion and speculation. Take a look at any picture or video of Blood Falls and you'll soon see where it gets its name. Situated in the McMurdo Dry Valleys of Antarctica, the flow of water looks like…

Antarctica sea ice as of February 21, 2023. Annotated with the 1981-2010 median sea ice extent. The long-term trend for sea ice in the south is still flat, while the global trend points downward. In February 2023, sea ice around Antarctica reached the lowest extent ever observed since the start of the…