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Giant viruses are infecting algae in a floating lake in the ArcticGiant viruses infect tiny algae in a rare epishelf lake in the Arctic Ocean that's one of the last of its kind.
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Sinkholes as big as a skyscraper and as wide as a city street open up in the Arctic seafloorGiant "sinkholes" — one of which could devour an entire city block holding six-story buildings — are appearing along the Arctic seafloor.
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Russian expedition finds evidence of northernmost Stone Age hunters above the Arctic CircleAncient cut marks on mammoth bones unearthed on a remote island in the frozen extremes of Siberia are the northernmost evidence of Paleolithic humans ever found, according to archaeologists.
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24,000-year-old 'zombies' revived and cloned from Arctic permafrostArctic ice dating to 24,000 years ago held frozen microscopic animals called rotifers. Scientists just brought them back to life.
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Arctic sponges crawl around the seafloor and leave bizarre brown trails to prove itFor the first time, researchers have captured images of bizarre brown trails on an Arctic ridge that appear to have been left by sponges crawling across the seafloor.
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Trump administration to approve Arctic wildlife refuge for oil and gas drillingThe section of the refuge poised to be leased is a key habitat for Arctic wildlife.
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The Arctic Circle: Polar portal to the ArcticLocated about 66.5 degrees north of the Equator lies the Arctic Circle — a line of latitude that outlines the border of Earth's northernmost region known as the Arctic.
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Arctic sinkholes open in a flash after permafrost meltArctic permafrost is thawing, and some zones are melting so quickly that the new landscape becomes a soggy marsh riddled with sinkholes.
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The Melting Arctic Is Covering Itself in a Warm Layer of CloudsThe Arctic autumn is getting cloudier. That's bad news.
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