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 ...

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

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

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

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

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

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

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

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

Mass extinction events represent intervals of abrupt, large‐scale loss of biodiversity that have repeatedly reshaped life on Earth. These crises are commonly linked to dramatic environmental ...

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 ...