Search Results for: antarctica
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1,400 results
1,400 results for: antarctica
- Paleontology
Of penguins’ range and climate change
Variations in the range of Adélie penguins along one section of Antarctica's coast during the past 45,000 years are a keen indicator of climate change there.
- Earth
Southern seas slow their uptake of CO2
In recent decades, the rate at which oceans in the Southern Hemisphere soak up atmospheric carbon dioxide has slowed.
- Climate
Science News for Kids: Polar Ice Feels the Heat
From glaciers to sea ice, the big melt is on.
- Plants
Cretaceous Corsages? Fossil in amber suggests antiquity of orchids
Orchids appeared on the scene about 80 million years ago, according to evidence from a bee that collected orchid pollen and got trapped in amber.
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- Earth
Cold and Deep: Antarctica’s Lake Vostok has two big neighbors
Trapped beneath Antarctica's kilometers-thick ice sheet are two immense bodies of water that may harbor ecosystems that have been isolated for millions of years.
- Ecosystems
An unexpected, thriving ecosystem
A diverse group of creatures beneath an Antarctic ice shelf could give pause to researchers who infer past ecological conditions from fossils found in such sediments.
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- Paleontology
Twice upon a Time
New fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages.
- Earth
Subglacial lakes may not be isolated ecosystems
Large volumes of water may occasionally flow between the lakes that lie deep beneath Antarctica's kilometers-thick ice sheet.
- Earth
Invasive, Indeed
Some people may live lightly on the land, but the demands of the world's population as a whole consume nearly a quarter of Earth's total biological productivity.
- Ecosystems
Antarctic birds are breeding later
Rising global temperatures are causing Arctic birds to breed earlier in the spring, but for Antarctic birds, the reverse is true.
