Many animal species were on the verge of extinction, but thanks to conservation programs, sanctuaries, and breeding efforts, ...

It is easy to assume that iconic animals such as tigers, elephants, and leopards will always be part of the natural world.

Birds are the only dinosaurs that survived the devastating asteroid impact 66 million years ago. The songbirds you see today ...

One of the most devastating extinctions in Earth's history is best known for what didn't die—dinosaurs. But the end-Triassic ...

Recent research showed that an artificially constructed self-replicating RNA system modeling primitive life at the origin of ...

The now-extinct golden toad in a 1978 picture taken in Costa Rica. Education Images / Universal Images Group via Getty Images Two in five amphibian species are at risk of extinction, and their threats ...

More than 5 percent of the species is estimated to have been lost when a climate-fueled storm unleashed torrents of water, ...

A new study from Princeton University, the Smithsonian Institute, the Mpala Research Centre and many partner institutions has now documented the interconnection between the largest animals in the ...

About 201 million years ago, at the close of a geological period called the Triassic, one of the worst mass extinctions in ...

Severe rainfall in North Sumatra killed 58 rare orangutans, raising alarm over the survival of this critically endangered ...

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from ...