New research finds extinction rates have been declining for a century, challenging assumptions of an ongoing mass extinction.

Farther back in our planet’s history, volcanic eruptions, rapid climate change, and plummeting oxygen levels have caused at least four additional mass extinctions, with smaller pulses of biodiversity ...

Welcome to what scientists call the Sixth Mass Extinction. Unlike previous mass extinctions caused by asteroids or volcanoes, ...

(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 ...

As Earth's temperature rises sharply, the threat of a global mass extinction has loomed. But U of A researchers say that fear ...

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 ...

It troubles me deeply to hear about the massive wave of extinctions that scientists predict are coming if we don’t address the current human assault on our natural environment. I am wondering what we ...

There have been five unquestionably great extinctions on earth: the end-Ordovician, the late-Devonian, the end-Permian, end-Triassic, and the end-Cretaceous extinctions. Some think we are now in a ...

New analysis shows several families of dinosaurs were likely thriving in North America in the latter days of the dinosaur era. A new study reveals that Earth's biomes changed dramatically in the wake ...

Are we really living through Earth’s sixth mass extinction? :globe_showing_Europe-Africa::fire: This powerful 1-minute video dives into the growing evidence that humans are driving an extinction ...