A mass extinction event is already underway ... might still roam Earth if it weren't for the asteroid, study suggests 6 extinct species that scientists could bring back to life During a mass ...

Compared to the mere 4–6 million years that scientists believe ... This article explores the major extinction events that influenced dinosaur survival and their eventual extinction, breaking ...

Over the years, researchers have gathered more and more evidence that the asteroid strike was indeed the impetus for the cataclysmic extinction event. The asteroid was huge — likely between 6 ...

The newly discovered extinction event during the Pliocene epoch — 5.3 million to 2.6 million years ago — particularly affected marine mammals, which lost 55 percent of their diversity, the team ...

To calculate it, we need to have a collection of repeated events on which to base our estimate. So what does this mean for the probability of human extinction? Well, such an event would be a one-off: ...