A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is a story about how freshwater fish rose to dominance, and how a few bones ...

Your complete guide, with expert tips from Gary Akavickas.

If you care about animals, a quick trip to a pet store can turn unsettling. That’s what happened to one Petco customer who ...

The Sumatran tiger is the rarest tiger species in the world and is critically endangered in the wild. Native to the islands ...

Andean condors are the biggest raptors in the world — and are vital to their ecosystem ...

An environmental advocacy group is petitioning for federal protections of a rare New Mexico flower that grows in an oil-rich region. The nonprofit Center for Biological Diversity filed a petition with ...

The Amargosa toad and Oasis Valley speckled dace live in spring-fed habitats along the Amargosa River in Oasis Valley near ...

After reviewing recent genetic, morphological, and biogeographic studies on giraffes, scientists have now split the single ...

With only fragments of evidence and massive unexplored habitat, the saola may still exist despite a decade of silence.

Although sunlight is one of the cleanest forms of renewable energy available, clearing large swathes of desert habitat to ...

Wildlife advocates are fearful the Trump administration's plans to roll back protections in the Endangered Species Act will hinder efforts to save iconic state animals such as the Florida panther and ...