"The pace of change we’re seeing today is unlike anything we know of in the past 66 million years," said ecologist Jack ...

Study warns that humans may be driving Earth toward a sixth mass extinction. The research shows species loss, but the future ...

Scientists debate whether current extinction rates mark a planet-wide crisis or reflect a more nuanced reality, highlighting ...

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, ...

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 ...

Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

Could we be on the verge of the sixth mass extinction? To better understand what’s to come for life on Earth–and the current harm we’re doing to our own environment–we have to look into the past. But, ...

Incision marks likely made by humans on the fossilised bone of an ancient kangaroo challenges the ‘humans wiped out ...