The Titanosaur is no longer. As the largest animal to roam the Earth, you'd think such an impressive presence would be almost ...

Scientists and advocates say that mountain lions are running out of time: physical signs of inbreeding, including kinked tails, testicular defects and malformed sperm, have already cropped up in ...

More than 3,500 botanic gardens hold vast plant collections, yet disconnected data systems slow efforts to prevent extinction ...

This story was originally published by CalMatters. Sign up for their newsletters. Just weeks after a mountain lion wandered ...

California officials have voted to list several populations of mountain lions as threatened. Here's what to know.

A giant tortoise species believed extinct for more than a century has been formally confirmed alive. Genetic analysis ...

The monarch was proposed for protection in December 2024, making the final listing due in December 2025. The groups argue the delay increases extinction risk for the nationally beloved pollinator.

Two environmentalist groups want an end to Trump administration foot-dragging when it comes to the beleaguered monarch butterfly.

Standing 3 feet tall with a wingspan over 6 feet, the Philippine eagle rules the rainforest skies. But why is this powerful ...

A 125-million-year-old fossil reveals a newly discovered dinosaur covered in unusual spikes scientists have never seen before.

Florida’s House voted late Wednesday to establish the American flamingo as the new state bird, a step toward knocking the ...

Data collected by the BabyCenter app has revealed a top 10 list of baby boy and baby girl names that are apparently about to ...