"The world’s largest penguin colony has declined by two-thirds since 2011, most likely because of the climate crisis, a study has revealed."

"Traditional knowledge and specialized training are helping people adapt to a changing landscape as polar bears appear in new places and at different times."

"From humpbacks learning the latest songs to sperm whales’ ‘clan codas’, drones and AI learning are helping reveal another dimension to the concept of culture "

"When sailing alone, even sleep is dangerous. Matt Rutherford knows this all too well. As he travels the Arctic, far from his home port of Annapolis, Md., the moments Rutherford does get to rest are precious. "It just becomes extremely difficult to get any sleep because if you hit the ice, you essentially die," he said."

"The moon’s shadow will descend upon Earth on Wednesday, and some will bear witness to a total solar eclipse. But the universe won’t stop there: At night, nature’s fireworks will accent the sky as the Perseid meteor shower reaches its peak."

"The Trump administration has pulled federal funding for an annual report chronicling the changing environment of the Arctic, where rapid warming is upending ecosystems, reconfiguring trade routes and scrambling Great Power strategy."

"The Norwegian archipelago of Svalbard has become a key outpost for Arctic science. But geopolitical tensions are complicating research efforts"

"Exceptionally skinny gray whales—enfeebled by starvation and mangled by blunt-force trauma—are washing up this spring along the coast of Washington state in numbers that alarm marine-mammal scientists."

"In northern Norway, Sami people fear a copper mine will disrupt their traditional lifestyles."

"Each summer, Nils Mikkelsen Utsi guides his reindeer to highland pastures overlooking a fjord, known to locals as Repparfjord, in northern Norway. There, under the Arctic midnight sun, female reindeer give birth and Mr. Utsi marks the ears of the calves. His ancestors have done this for generations.

“This is my reindeer district,” he said. “This is my life.”