The massive invertebrates may have been top predators, according to an analysis of their fossilized jaws. The work suggests ...

Researchers at the University of Washington took a novel approach to determine the historical health of Alaska's waters.

Fossil evidence suggests there were real ‘Kraken’ – finned octopuses who fed on large animals at the top of the food chain – ...

While mushrooms have never suited my picky palate, they provide many nutritional benefits to humans, important ecological ...

America’s wildlands aren’t static landscapes—they’re arenas where power constantly shifts. Across forests, deserts, mountains ...

Yellowstone often looks timeless, but experts say some of its most dramatic changes are happening through subtle pressure ...

According to a study published in the journal Proceedings of the National Academy of Sciences ( PNAS ), disappearing ...

Between 50,000 and 10,000 years ago, many of the world's largest mammals disappeared. Picture creatures like saber-toothed ...

The evolutionary case for eating meat is etched into human anatomy — but so is the case against it. The science deserves more ...

A new study in PNAS reveals that the extinction of large mammals between 50,000 and 10,000 years ago continues to affect modern predator-prey relationships, especially in the Americas. Researchers ...

Reducing your carbon footprint requires reliable information that cuts through the noise and translates into real results.