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

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

Scientists have long treated mass extinctions as events locked deep in the fossil record. That framing now feels less distant ...

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

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

In a new Science Advances study, researchers from the Okinawa Institute of Science and Technology (OIST) have now proved that from this biological havoc, known as the Late Ordovician Mass Extinction ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

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 ...