A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock ...

The first sea organisms suddenly vanished 550 million years ago, revealing what may be the first major mass extinction - The Kotlin Crisis.

How did life move from water to land? Discover the 550-million-year journey from ancient algae to the first vascular plants like Cooksonia.

Waves of extinction have ripped through life on Earth over and over again during its long history. The non-avian dinosaurs ...

Tiny fossils from Hokkaido are revealing a surprisingly mobile ancient ocean during a warmer world. A team led by researchers at Kumamoto University has identified a new genus of microscopic ...

Ancient rocks in Sweden are acting like a “rock clock,” helping scientists finally pin down when major Cambrian climate changes happened.

The first paleontological study of its kind is challenging what we thought we knew about the state’s natural history.

When NASA’s Perseverance rover landed in Jezero Crater in 2021, its primary mission was to scour the remnants of a dried-up Martian lakebed for signs of ancient life. Scientists have been focused on ...

A new study analyzing two fossilized whale skulls from around 5 million years ago has revealed fragments of sharks' teeth lodged inside them. This provides rare evidence of how sharks fed on whales in ...