Arctic

The gray whale was spotted during an aerial survey on March 1, about 30 miles off the coast of Nantucket.

A Rare Gray Whale, Believed Extinct in the Atlantic for 200 Years, Has Been Spotted off New England

Scientists say a lack of Arctic sea ice due to climate change could have created a passageway for the mammal to travel from the Pacific Ocean

While they chew their cud, reindeer brains shift into a state of non-REM sleep.

Reindeer Sleep and Eat Simultaneously, Saving Precious Time in the Short Arctic Summer

While the animals chew their cud, they also enter a state of rest

Polar bears live in rugged, hard-to-reach places in the Arctic.

DNA Pulled From Paw Prints May Help Researchers Study Elusive Polar Bears

As rising temperatures threaten the Arctic mammals, scientists are turning to new, non-invasive methods to study them

A chum salmon in Alaska's Katmai National Park and Preserve. Salmon numbers are declining in some places due in part to climate change.

Climate Change Is Pushing Salmon North in Alaska, Scientists Say

Researchers recently found about 100 chum salmon spawning in the Arctic, suggesting the species is shifting to new habitats

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How Scientists Tracked the Movements of a 17,000-Year-Old Woolly Mammoth

Isotopes tell the epic tale of one ancient mammal’s odyssey across Alaska

Researchers say that as climate change melts ice in Greenland, the influx of cool freshwater could weaken a network of ocean currents that affects Earth's weather.

A Vital Ocean Current System Could Collapse as Soon as 2025, Study Predicts

Climate change could halt the Atlantic Meridional Overturning Circulation sooner than thought, per a new paper, but some scientists are skeptical

Belugas head to Hudson Bay in the summer in droves to eat, molt and give birth.

Watch Tens of Thousands of Beluga Whales Migrate With These Live Streams

The marine mammals are gathering in Canada's Hudson Bay and Churchill River—and their journey is a reminder of sea ice's importance

Crews carefully lowered the bottles to a depth of 111 feet below the surface.

1,700 Bottles of Sparkling Wine Spent Six Months Beneath the Waters of the Norwegian Sea

The stash was submerged some 111 feet deep in temperatures as cold as 41 degrees Fahrenheit

Thinning Arctic sea ice near Pituffik, Greenland, as captured in July 2022 

Arctic Could Be Sea Ice-Free in the Summer by the 2030s

A new study estimates climate change will lead to unprecedented melting in the Arctic a decade earlier than previously projected

Paleontologists discovered Oda's remarkably intact fossilized skeleton in Svalbard in 2008.

Unraveling the Mysteries of Oda the Ichthyosaur

Paleontologists used X-rays to identify the 240-million-year-old creature's flattened and fossilized remains

The Svalbard Global Seed Vault is located in the Norwegian Arctic on the remote island of Spitsbergen.

Take a Virtual Tour of the 'Doomsday' Seed Vault

The impressive depository carefully preserves over one million seed samples in its Arctic location

Thor rests in Scarborough Harbor in England on December 31, 2022.

The Unusual European Journey of Thor the Walrus

It's rare to see one of these massive marine mammals in Western Europe, but Thor spent several months delighting crowds in multiple countries

Wind gusts of up to 128 miles per hour pummeled Mount Washington in New Hampshire over the weekend.

The Wind Chill Hit Minus 108 at New Hampshire’s Mount Washington

The 6,288-foot summit endured record-breaking conditions brought by an Arctic air mass

An artist’s reconstruction of Ignacius dawsonae surviving in the warm but dark forests of Ellesmere Island

Primate-Like Critters Survived in the Arctic When It Was a Lush, Warm Swamp

Even as darkness gripped the forests for months, two small species made it home

Researchers are using novel technologies to study polar bears, which live in the rapidly warming Arctic.

Five Revolutionary Technologies Helping Scientists Study Polar Bears

As climate change threatens the charismatic creatures, scientists are embracing innovations to help them understand and protect the bears

Archaeologists used a remotely operated vehicle called Deep Trekker to explore the H.M.S. Erebus site.

Archaeologists Recover 275 Artifacts From Mysterious Arctic Shipwreck

Explorer John Franklin and his 128 crew members disappeared while searching for the Northwest Passage in the 1840s

The new local celebrity of Cypress, California, perches on a rooftop.

A Rare Snowy Owl Is Captivating Southern California

How the Arctic bird ended up among palm trees remains a mystery

A beaver relaxes in water in Anchorage, Alaska. `

As the Arctic Warms, Beavers Move In

Scientists are beginning to study the impacts of beaver dams on the tundra

Over the past 43 years, the Arctic has warmed nearly four times faster than the rest of the world. 

Scientists Revive 48,500-Year-Old Virus, Setting World Record

As temperatures rise because of climate change, melting permafrost could cause dormant diseases to re-emerge, researchers warn

Polar bears are back in Churchill, Manitoba.

Polar Bears Are Gathering in Canada—and You Can Watch Them Live

Bears return to Churchill, Manitoba, every autumn to await the formation of sea ice on the Hudson Bay

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