Birds are a barometer of the health of water sources, habitats, and air quality. A notable example is the use of canaries in ...

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 ...

The newfound ecosystem is filled with sea crabs, octopuses and gigantic sponges, suggesting it may have been thriving for centuries. When you purchase through links on our site, we may earn an ...