Huge Sponges Are Eating an Extinct Arctic Ecosystem

Huge Sponges Are Eating an Extinct Arctic Ecosystem

Stretching for nearly 80 miles across the seafloor of the central Arctic, the Langseth Ridge is craggy, barren, and generally inhospitable. And it should be: Unlike more productive oceans, few nutrients swirl here, thanks to the ice above blocking the light. Thousands...
Extreme Heat in the Oceans Is Out of Control

Extreme Heat in the Oceans Is Out of Control

Ocean depth plays a big role in how regions are affected. While the depth of the middle of the Pacific Ocean allows cooler waters to upwell, the shallower areas around tropical islands get no such relief. Island nations are at additional risk because water gets bigger...