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

Human activity has accelerated extinction rates, raising concerns that we may be entering a sixth mass extinction.

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

Ever since the world was formed more than four billion years ago, it has seen a number of mass extinctions that have almost ...

A pair of 'Sacabambaspis' fish, around 14 inches (35 centimeters) in length, which had distinct, forward-facing eyes and an ...

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, ...

In virtually every piece of land on Earth—from near the summit of Mount Everest to Antarctica to caves nearly 2,000 meters ...

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

In a new Science Advances study, researchers from the Okinawa Institute of Science and Technology (OIST) have now proved that ...

During a geological blink of an eye, glaciers formed over the supercontinent Gondwana, drying out many of the vast, shallow ...