Here's how dinosaurs could have survived mass extinction

Asteroid behind extinction of dinosaurs also responsible for cooling Earth: Study

Global mass extinction date predicted!

Biological annihilation: Earth undergoing sixth mass extinction

2 million-year-old mass extinction event wiped out a third of marine life!

Chewing like cows helped early mammals survive mass extinction

'Great Dying' was followed by more extinctions

One of Earth's biggest mass extinctions the result of ice age, not global warming!

Earth totally unprepared for surprise asteroid or comet strike, warns NASA scientist (Watch video)

Is the world approaching a sixth mass extinction event? Scientists confirm signs!

Smaller species may go extinct without fossil trace

New species of reptile identified from 250 mn-year-old fossil