5 mass extinctions wiped out 65–96% of species on Earth, with major events including the Ordovician, Devonian, Permian, Triassic, and Cretaceous periods. Senate defeats House-passed bill to reopen ...

An ancient aquatic species that's been around for 450 million years is facing extinction as a series of factors work against ...

Are we on the brink of a sixth mass extinction on Earth? Fossil evidence and paleontologists reveal what’s at stake—and how we can still change our future.

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

A study published in Science China Earth Sciences (Issue 9, 2025) has quantitatively reconstructed changes in nitrate ...

Mass extinction sounds scary, but it’s basically nature’s biggest reset button. Throughout Earth’s history, there have been five major events […] ...

Broadcaster and campaigner Chris Packham is on a mission to cut overconsumption, take on fossil fuel giants and create a ...

Changes in rock formations from before and after the mass extinction event 66 million years ago may reflect how dinosaurs ...

"Specifically, the impact of their extinction may not just be observable by the disappearance of their fossils in the rock record, but also by changes in the sediments themselves." Weaver says the ...

The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes in landscapes - including the shape of rivers, say American scientists. Geologists have long ...