Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...
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, ...
Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...
During a geological blink of an eye, glaciers formed over the supercontinent Gondwana, drying out many of the vast, shallow ...
CC0 Usage Conditions ApplyClick for more information. Contrary to popular imagery, massive volcanic eruptions or an asteroid impact may not have been the cause of the world’s first mass extinction.
Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers.
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