Hundreds of millions of years ago, the first plants began spreading across Earth’s land. This major turning point helped ...

Ancient sea organisms survived until a sudden extinction 550 million years ago, revealing what may be the first major mass ...

UC College of Arts and Sciences Professor Thomas Algeo has been studying the planet's five major mass extinctions since the ...

Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer than the rings of Saturn, and longer than most of the other life on ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass extinctions have occurred, with five major mass extinctions being particularly ...

Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the Cambrian explosion of life on Earth. What happened next, in the direct aftermath ...

Forget asteroids — a new theory says algae were the key to the dinosaurs' extinction millions of years ago. Ecotoxicologist John Rodgers details... Did Algae Contribute To Mass Extinctions? JOE PALCA, ...

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 ...

The sixth extinction -- The mastodon's molars -- The original penguin -- The luck of the ammonites -- Welcome to the Anthropocene -- The sea around us -- Dropping acid -- The forest and the trees -- ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...