A new study from Princeton University, the Smithsonian Institute, the Mpala Research Centre and many partner institutions has now documented the interconnection between the largest animals in the ...

For decades, ecologists have theorized that the extinction of one important species could set off a chain reaction of losses ...

Researchers found elephants help sustain a hidden network of insects, with their loss triggering biodiversity declines across ecosystems.

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...