Researchers have found 6 million-year-old ice in the Allan Hills region of Antarctica and say the oldest-of-its-kind sample offers an unprecedented view into Earth's ancient climate.
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These 23 Animals Have Gone Extinct in the Past 150 Years
Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to ...
The Arctic's food web is unraveling as temperatures soar, threatening polar bears, reindeer, and other iconic species.
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