The Cook Islands’ main harbor is a small indentation in the island of Rarotonga, which is the most developed of the nation’s 15 islands, yet still the kind of place where you give directions in mango ...

Even in flip-flops, Teiki Ah-scha walks with precision and confidence between the gaping holes on either side of us. He has told me to step exactly where he does, so I watch his feet and block out ...

It’s 3:00 a.m. on the island of Malta, and in the stillness before most residents wake to begin their day, a shark is about to give birth. This is especially strange, not just because it’s happening ...

This story is part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story. In the world of competitive sportfishing, the name Arostegui is royalty.

The ocean has a way of upending expectations. Four-story-high rogue waves peak and collapse without warning. Light bends across the surface to conjure chimeric cities that hover at the horizon. And ...

The female beaver laying on a table in the exam room was nearly comatose, her whiskered face and nimble paws twitching with seizures. Bethany Groves, the attending wildlife veterinarian, had seen ...

When I was small, my ǧáǧṃ́p (grandfather) would set about the serious business of food gathering with my cousins and me in the late spring. Everyone in the family had a role in our food harvests and ...

RAM! The bright red hull of the US Coast Guard icebreaker Glacier slammed onto the ice. Every rivet of the 95-meter-long ship shuddered with the impact. It was 1985, and the researchers aboard were ...

On a brisk August morning in Tasermiut Fjord, southern Greenland, I poke my head from the hatch of my family’s 13-meter sailboat to find frost on the deck and a cloudless sky. It’s weather that ...

On the southern tip of Galiano Island, a diagonal, 28-kilometer-long strip of land suspended off the coast of southern British Columbia, a thicket of Douglas fir thins to a small clearing overlooking ...

The molecular disassembly line works like this: polluted air and water move through a series of tanks, slowly being purified along the way. Between the tanks, hidden from view, grids of submicroscopic ...

Imagine you’ve got a lobster in front of you, bright red and softly steaming. There’s a fish in that picture, too, though you can’t see it—the fish that was tucked into a trap to lure in the lobster ...