Giant viruses infect tiny algae in a rare epishelf lake in the Arctic Ocean that's one of the last of its kind.
Giant "sinkholes" — one of which could devour an entire city block holding six-story buildings — are appearing along the Arctic seafloor.
Ancient 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.
Arctic ice dating to 24,000 years ago held frozen microscopic animals called rotifers. Scientists just brought them back to life.
For 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.
Located 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.
Arctic 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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