Extremely rare” discovery of this newly identified armor-plated carnivorous reptile strengthens our understanding of the link ...

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

A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how ...

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

Hundreds of non-native animal & plant species live in Florida. They prey on native critters & damage native ecosystems.

They are everywhere on the continent and have adapted to human development. Learn all about the most common squirrels in ...

It's one of the most unique national parks in the country. Learn more about the animals that live in Pinnacles National Park.

The Courier Express, in collaboration with Lola M. Smith, MS, assistant teaching professor in biology at Penn State DuBois, is republishing a series of work completed by college ...

You’ve heard the slogans: save the whales, protect our pollinators. You may have lamented the decline of polar bears or the ...

Getting on the trail in the western United States means entering one of nature’s most awe-inspiring territories. The ...

Island reptiles are vanishing fast—but scientists are barely paying attention. Here's why that needs to change.

A new study of nearly 800 barred owls on the West Coast shows the invasive predator feeds on 29 species given special ...