The World Wants Greenland’s Minerals, but Greenlanders Are Wary

The island has rare elements needed for electric cars and wind turbines. But protesters are blocking one project, signaling that mining companies must tread carefully.

This Fjord Shows Even Small Populations Create Giant Microfiber Pollution

Researchers found that one tiny Arctic village’s unfiltered sewage produces as much microplastic as the treated waste of more than a million people.

Arctic Sea Ice Hits Annual Low, but It’s Not as Low as Recent Years

Cool conditions north of Alaska in August reduced melting, scientists say, but the overall trend is still downward.

California’s Wildfires Had an Invisible Impact: High Carbon Dioxide Emissions

From June to August, the blazes emitted far more planet-warming carbon dioxide than in any other summer in nearly two decades, satellite data shows.

It Rained at the Summit of Greenland. That’s Never Happened Before.

The showers are another troubling sign of a changing Arctic, which is warming faster than any other region on Earth.

Opinion | What Does It Mean for a Whole Nation to Become Uninhabitable?

“It’s changing quite rapidly,” says a hunter in Canada. “And I’m not old at all. I’m 31.”

A Woolly Mammoth’s Tusks Reveal a Map of Where It Roamed in Life

The technique used to reconstruct the animal’s 28-year journey across prehistoric Alaska could solve mysteries about the demise of the elephant-like mammals.

Opinion | America in 2090: The Impact of Extreme Heat, in Maps

Global warming will get worse unless we cut greenhouse gas emissions.

Inked Mummies, Linking Tattoo Artists With Their Ancestors

As scientists find more tattoos on preserved remains from Indigenous cultures, artists living today are drawing from them to revive cultural traditions.

Arctic’s ‘Last Ice Area’ May Be Less Resistant to Global Warming

The region, which could provide a last refuge for polar bears and other Arctic wildlife that depends on ice, is not as stable as previously thought, according to a new study.

Summer Is a Scam. Here’s How to Fix It.

Plus, typeface puzzles, the “Dragon Man” skull and more in the Friday edition of the Science Times Newsletter.

Tiny Fossils From Alaska Reveal Dinosaur Life in the Arctic

Baby dinosaur “microfossils” suggest that many species lived and thrived in some of the coldest parts of the planet.

Highlights From the ‘Ring of Fire’ Solar Eclipse at Sunrise

Weather and geography made it difficult to see the rare spectacle, but some intrepid people got an exciting view of the eclipse from unique vantage points.

In the Russian Arctic, the First Stirrings of a Very Cold War

Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously.