"Successful and resilient." Researchers thrilled as unique species returns to national park after 50-year absence: 'There was ...

State of Giraffe report says that the animal is still under threat of extinction, despite some populations recovering.

Karner blue butterflies are a federally endangered species and Wisconsin holds the largest population in the world. How are ...

A zoo is celebrating after helping to hatch three of the world's rarest birds - in what could be a “breakthrough" moment in ...

If we told you there was a species of parrot in the world that can’t fly, would you believe us? We couldn’t believe it ...

So much science starts with deciphering a genome, the blueprint for every being on Earth. With such roadmaps in hand, ...

They were kind of on a vacation, getting fed twice a day, with no stress of predators,” a university researcher said.

The blue-eyed ground dove was a species shrouded in mystery, with no confirmed records for more than 70 years, until its ...

Conservationists say there is new hope for one of the world's rarest bird species, the blue-eyed ground dove, after three ...

Yet despite its vulnerability, the gopher tortoise is considered a keystone species; its burrows — both active and abandoned ...

The United States on Monday moved to extend federal protections to all species of pangolins -- a step that would tighten ...

Tiny, translucent and no longer than a finger, juvenile European eels, also known as glass eels, might not look like much.