Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

For the first time in over 10,000 years, the howl of a dire wolf is echoing once more—this time, from within a secretive nature preserve in the United States. The predator, long thought extinct and ...

They were last alive around 13,000 years ago, when the Americas were lush lands of forested mountains, open grasslands and sunny plains. But scientists now claim to have resurrected the dire wolf ...

Dire wolves were massive and highly intelligent animals nearly the size of a small horse, capable of ripping a man’s arm off as easily as a dog kills a rat. They lived in cold regions in a place ...

Should we bring back extinct animals? Wrong question. Why are we bringing back extinct animals when we have animals, plants, and fungi that are going extinct now, daily? By 2050, up to half of all ...

In a secret location in the United States, two white wolves are lounging in the grass in a sunny, roughly one-acre enclosure. It’s early spring and a chill wind blows through bare trees nearby. The ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Most of us saw Jurassic Park and its many sequels as a cautionary tale. Some scientists, however, apparently saw it as a game plan. While no one has brought dinosaurs back (yet), Texas-based genetic ...

Scientists have genetically engineered mice with some key characteristics of an extinct animal that was far larger — the woolly mammoth. This "woolly mouse" marks an important step toward achieving ...