The Yarrow's spiny lizard lives in a narrow band of the Mule Mountains, but its numbers are declining as temperatures warm ...

Upgrading enclosures for giant exotic lizards and venomous snakes quickly became a high-stakes project. Each habitat had to ...

President Donald Trump’s administration is moving to roll back protections for imperiled species and the places they live.

The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect the Mule Mountains population of the Yarrow’s spiny lizard under the Endangered Species Act.

Researchers were unaware that this large fossil was even an egg until they pierced through its membrane with microscopes and ...