A male and female lizard sit together on a fence post with grass in the foreground
Climate Change Prematurely Ages Lizards Before They’re Born
Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.
Climate Change Prematurely Ages Lizards Before They’re Born
Climate Change Prematurely Ages Lizards Before They’re Born

Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

Lizards born to parents that experienced persistent heat had shortened telomeres, a genetic weathering that typically happens with age but can also be exacerbated by stress.

lizards
Tiliqua rugosa, sleepy lizard, on reddish soil in western Australia
Researchers Probe Genetics Behind a Lizard’s Odd Immune System
Hannah Thomasy | May 10, 2022
Deletions in the sleepy lizard genome leave it without an important type of T cells found in most other vertebrates.
A Northern Bahamian Rock Iguana cranes its neck to eat a grape that’s speared on the end of a stick.
Grape-Doling Tourists Gave Endangered Iguanas High Blood Sugar
Dan Robitzski | Apr 21, 2022
Research finds that a high-sugar diet supplied by tourists is giving Bahamian rock iguanas the lizard equivalent of high blood sugar.
Thomas Lozito poses with Donald, one of his mourning geckos.
Thomas Lozito Is Figuring Out How Lizards Rebuild
Connor Lynch | Feb 14, 2022
The University of Southern California bioengineer studies how lizards regrow their tails, with the goal of one day inducing regeneration in humans.
A smiling Black man leans against a colorful wall
Shane Campbell-Staton Dissects the Anthropocene
Lisa Winter | Sep 1, 2021
The Princeton University evolutionary biologist studies how animals are changing due to human activity.
albino lizard hatchling
Image of the Day: Gene-Edited Reptiles
Nicoletta Lanese | Sep 4, 2019
Scientists injected unfertilized anole lizard eggs with CRISPR-Cas9 to produce albino offspring.
Image of the Day: Hanging Around
Sukanya Charuchandra | Jul 27, 2018
Hurricanes drive evolution in anole lizards, finds a new study.
Image of the Day: Glowing Chameleon
The Scientist Staff and The Scientist Staff | Jan 23, 2018
The lizards may be signaling one another using fluorescent cues that we can’t see.
Adaptation, Island Style
The Scientist Staff | Jan 2, 2017
Anole lizards inhabiting the Caribbean islands display some of the key principles of evolution.
Caribbean Anoles Function as Model Organisms for Evolutionary Dynamics
Amber Dance | Jan 1, 2017
The small lizards adapted to unique niches among dozens of isles.
Source of Scales, Feathers, Hair
Tanya Lewis | Jun 27, 2016
Reptiles, birds, and mammals all produce tiny, bump-like structures during development.   
Rapid Evolution in Real Time
Sandhya Sekar | Oct 23, 2014
On islands off the coast of Florida, scientists uncover swift adaptive changes among Carolina anole populations, whose habitats were disturbed by the introduction of another lizard species.
Males Court Bearded Ladies Less
Yao-Hua Law | Nov 6, 2013
Blue badges that make female lizards less attractive to potential mates are paradoxically common.
Behavior Brief
Megan Scudellari | Jul 13, 2011
A round-up of recent discoveries in behavior research