A new study suggests that extreme temperatures could lead to a mass extinction event, ending the reign of humans and mammals ...

Volcanic eruptions caused sulfates to gush into the air and turned Earth into an icebox. Later, dinosaurs came into this ...

New research suggests that the breakup of Pangea led to an unexpected cooling event, paving the way for dinosaurs to thrive ...

These massive eruptions released vast amounts of sulfur dioxide, blocking sunlight and causing global cooling for a short ...

"It brings us into the realm of what humans can grasp," researcher Dennis Kent said. "These events happened in the span of a lifetime." ...

Earth. A massive asteroid impact led to the extinction of diverse life forms from the planet, including the mighty dinosaurs.

How did Earth's last mass extinction unfold? Explore what led to it, what was lost, and how life ultimately found ways to ...

A mass extinction event that brought about the rise of the dinosaurs more than 200 million years ago was believed to be caused by the planet’s warming. Now, scientists at Columbia University say ...

The S2 meterorite, which hit the planet just over 3 billion years ago, dwarfed the one that caused the dinosaurs' extinction, ...

Cataclysmic cosmic collisions may have benefited the evolution of primitive organisms early in Earth's history, a study says.

The Triassic-Jurassic Extinction, 201.6 million years ago, has been considered by some to have been a fairly slow-burn event, driven by rising temperatures and ocean acidification ... It marked the ...