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 ...

From a small population in eastern Africa to a species that has altered the atmosphere, oceans, and biosphere, this video ...

Add Yahoo as a preferred source to see more of our stories on Google. A skeleton of a Dodo. - Kirsty Wigglesworth/AP Humans have wiped out hundreds of species — with many more on the brink or ...

Human activity may be triggering the greatest extinction event since the asteroid impact that wiped out the dinosaurs, according to scientists. Their study, based on a review of decades of research on ...

Mass extinction events are defined by a 75% loss in total species. These events can take tens of thousands to several million years. Experts are alarmed at today’s “unprecedented” population abundance ...

A fire-bellied newt (Cynops ensicauda) photographed on Amami Island (Japan). A recent study suggested that the extinction of this and other genera was part of a mass extinction event that threatens ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

It struck the seas off the coast of Mexico's Yucatán Peninsula with the force of billions of atomic bombs, carving out the 112-mile-wide Chicxulub crater. The asteroid vaporized almost instantly.