For decades, ecologists have puzzled over a mystery: Why do some natural habitats get overrun by invasive species while others seem to repel outside threats? In a classic 1958 book on the subject, the ...

Sea urchins climb onto kelp when their densities are so high they remove all drift kelp and then actively forage on attached, living kelp. (Credit: Steve Lonhart / NOAA MBNMS) Tipping points are the ...

Losing critical ecosystems will severely impact the economy through reduced food and energy security; damages to assets such as real estate, croplands and infrastructure; and health risks that impair ...

England officials promised to reintroduce Eurasian beavers to the country. However, after a successful starter release in Dorset in March, reintroduction efforts have suddenly stalled. Despite 40 ...