"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.”

"The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife announced Thursday."

"Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the season when ice grows, as a warming Earth shattered records across the continents."

"Over the past two summers, a pair of remote and treeless volcanic islands in the eastern Bering Sea broadcast signals of climate change danger in the marine ecosystem that feeds Alaska residents and supports much of the state’s economy."

"Ice loss in the Antarctic Ocean may be killing the sea birds during their molting season."