(Anton Petrus/Moment/Getty Images) Life on Earth, beginning with simple microorganisms that evolved and diversified into the ...

Chemical clues preserved in tiny shells reveal that ocean acidification doomed a group of planktonic organisms that have ...

A document endorsed by 17 experts has warned that Earth is facing a future of mass extinction, declining health and climate ...

For the first 280 million years of animal life on Earth, slow-living creatures such as clam-like brachiopods and crinoid sea ...

Mass extinction events are defined by a 75% loss in total species. These events can take tens of thousands to several million years. Experts are alarmed at today's "unprecedented" population abundance ...

Earth faced its worst extinction event around 252 million years ago. Volcanic activity in the Siberian Traps is the leading ...

Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world to one teeming with animal life, as nearly all major animal phyla appeared ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass extinctions have occurred, with five major mass extinctions being particularly ...

Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, venturing ...

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

The study of extinction dynamics in the fossil record integrates patterns of biodiversity loss with environmental and biotic drivers across geological time. Fluctuations in global diversity often ...

In school, we learned about the asteroid that wiped out an estimated 76% of all creatures. Scientists now call this the fifth mass extinction. You’re reading that correctly: throughout Earth’s history ...