For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But ...
One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.
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 ...
Sixty-six million years ago, the dinosaurs had a really bad day when a colossal asteroid impact spurred their extinction. But ...
About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...
Learn how microscopic fossils reveal that tiny seafloor organisms were already feeding and recycling nutrients soon after one ...
A wolf puppy's frozen stomach contents have upended theories on the woolly rhinoceros extinction, revealing a genetically ...
Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...
Speciation and extinction are the twin engines that have sculpted the diversity of life on Earth. Speciation, the process by which new species arise from ancestral populations, is driven by a mixture ...