Nearly all life that ever existed on Earth eventually disappeared. Five known mass extinctions wiped out up to 96 percent of species in sudden, catastrophic events. While mainstream science favored ...

One reason for the decline in extinction rates is the growing momentum of conservation efforts. Multiple species have been ...

The evolution of life on planet Earth has occurred gradually over time, but it has not always been a peaceful process. Life has had to face cataclysmic environmental changes, and sometimes that ...

A new theory suggests depletion of trace elements in the oceans was a factor in three major mass extinction events in the past 600 million years, according to new research led by Flinders University's ...