Add Yahoo as a preferred source to see more of our stories on Google. A wildfire frontline with emergency services nearby, Okanagan Valley, British Columbia, Canada. Farther back in our planet’s ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

The term “mass extinction” conjures up apocalyptic images of the world coming to an end, but a massive event like this can be a much slower process than many people realize. By definition, a mass ...

The idea of a creeping mass extinction has served as one of the scary subplots of our ongoing climate drama. For decades, scientists have warned that we may be on the cusp of, or already entering, the ...

Who better to teach us about the current extinction crisis than three of the world’s top ecologists? The authors of Before They Vanish: Saving Nature’s Populations—and Ourselves, Drs. Paul Ehrlich, ...