Learn how microscopic fossils reveal that tiny seafloor organisms were already feeding and recycling nutrients soon after one ...

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

An international team of scientists from South Africa, Canada, France and the UK has uncovered fossil evidence of a tiny ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

A devastating ice age wiped out most marine life, yet new research reveals how this ancient disaster unexpectedly paved the ...

Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...

It’s sad when living things go extinct. That means they’re gone forever. I think about extinct unicorns all. the. time. My friend Jodi Rosso told me that a mass extinction is when a huge number of ...

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 ...