A new study published in the Proceedings of the National Academy of Sciences confirms that fossilized remains of marine invertebrates can accurately reflect the functional diversity of past ecosystems ...

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...