A white deer mouse on sand surrounded by plants
Are We In the Midst of a Silent Mass Extinction?
A new modeling technique aims to help scientists and policymakers detect declines in genetic diversity based on habitat loss.
Are We In the Midst of a Silent Mass Extinction?
Are We In the Midst of a Silent Mass Extinction?

A new modeling technique aims to help scientists and policymakers detect declines in genetic diversity based on habitat loss.

A new modeling technique aims to help scientists and policymakers detect declines in genetic diversity based on habitat loss.

mass extinction
Ferns bounced back much faster than other plants after the meteor impact that wiped out the dinosaurs.
Why Did Ferns Persist When All Other Plants Perished?
Amanda Heidt | Aug 15, 2022
A strange layer in the fossil record contains evidence that fern populations exploded following the mass extinction that ended the Cretaceous period. Scientists want to know why.
Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists
Are We in the Midst of a Sixth Mass Extinction?
Katarina Zimmer | Jul 18, 2022
Today’s extinction rates are sky-high. But scientists debate if that’s sufficient evidence to conclude that Earth is undergoing a mass extinction event—or whether that’s even a helpful designation.
Illustration of creatures from today’s crisis
Infographic: A Look at the Big Five Mass Extinctions
Katarina Zimmer | Jul 18, 2022
Extinction is a natural part of life on Earth. But occasionally, extinction rates have surged far beyond usual levels, driving mass extinction events that have reshaped the trajectory of life.
leatherback sea turtle making its way across a beach
Fifteen-Year Project Quantifies Threat to Reptiles
Shawna Williams | Apr 28, 2022
The study estimates that one-fifth of reptile species worldwide are at risk of extinction.
An artistic rendering of a dinosaur fleeing a wall of water
Cretaceous Meteor That Killed Most Life on Earth Hit in Spring
Amanda Heidt | Feb 24, 2022
Researchers determined the season during which the meteor struck by studying the bones of fish excavated from a contentious field site.
Fossils of African Fauna
African, Arabian Mammals Didn’t Escape Grande Coupure Extinction
Chloe Tenn | Nov 8, 2021
More than two-thirds of mammals in Africa and the Arabian Peninsula went extinct during the Eocene-Oligocene transition some 30 million years ago, a study finds.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.