A mass extinction event is a term used to describe a large-scale event that wipes out species. It is usually not a short, one-time incident but rather something that occurs over thousands or millions ...

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 ...

As we move through the Sixth Extinction, it can be beneficial to examine what caused massive die-offs in the past. Lystrosaurus specimens from South Africa have been found that may help clarify what ...

WASHINGTON -- A steep decline in birds, butterflies and native plants in Britain supports the theory that humans are pushing the natural world into the Earth's sixth big extinction event and the ...

Around 300 tree species grow in 125 acres of old-growth forest at Barro Colorado Island, Panama. (Photo by Christian Ziegler) (CN) — Protecting biodiversity in even just a tiny percentage of the Earth ...