leatherback sea turtle making its way across a beach
Fifteen-Year Project Quantifies Threat to Reptiles
The study estimates that one-fifth of reptile species worldwide are at risk of extinction.
Fifteen-Year Project Quantifies Threat to Reptiles
Fifteen-Year Project Quantifies Threat to Reptiles

The study estimates that one-fifth of reptile species worldwide are at risk of extinction.

The study estimates that one-fifth of reptile species worldwide are at risk of extinction.

habitat loss
A landscape showing a forest that’s been cleared to make room for a farm.
Climate Change and Agriculture Together Halve Insect Populations
Dan Robitzski | Apr 21, 2022
Insect populations and species diversity are drastically reduced in areas affected by both climate change and agriculture-related habitat destruction, according to a new study.
Interactive Infographic: How Salt Transforms Coastal Forests
Ashley Yeager | Mar 1, 2020
Rising sea levels are pushing salty tides and storm surges farther inland, leading to the forest death and a shift from forested habitats to marsh.
Climate Change Is Killing East Coast Forests
Ashley Yeager | Mar 1, 2020
As the salty Atlantic Ocean pushes farther inland, forests are turning to marsh. Some scientists want to speed the transition.
Image of the Day: Puma Genome Sequencing
Emily Makowski | Oct 21, 2019
The big cats show signs of inbreeding despite conservation efforts to diversify their populations.
Loa water frog from 2015
Image of the Day: Last Loa Water Frogs
Nicoletta Lanese | Aug 27, 2019
Scientists hope to breed the species in captivity because their habitat has nearly disappeared.
Wildlife Populations Have Shrunk by 60 Percent Since 1970
Kerry Grens | Oct 30, 2018
A new report finds the decline in vertebrate abundance over the past four decades is most severe in South and Central America.
First Bumblebee Species Declared Endangered in U.S.
Kerry Grens | Jan 11, 2017
The federal government concludes the rusty patched bumblebee is nearing extinction.
One-Third of Cactus Species Threatened
Karen Zusi | Oct 6, 2015
A global assessment of declining cacti populations places responsibility on increasing human activities.
Global Tree Count Updated
Karen Zusi | Sep 3, 2015
Latest study puts the total number of trees on Earth at 3 trillion, well above previous estimates.
Butterflies in Peril
Bob Grant | Aug 12, 2015
Several recent studies point to serious—and mysterious—declines in butterfly numbers across the globe.
Pick your frog poison
Jessica P. Johnson | May 31, 2011
Human development may destroy natural habitats, but it could also provide amphibians with a safe haven from deadly fungal infections.