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 ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal Biosciences, the Dallas-based biotech company leading the charge, has made ...

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...

So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of years, but it keeps happening! Animals believed extinct that were found ...

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 ...

The idea of resurrecting extinct organisms is alluring; I would love to see one of the strange Cambrian animals like Hallucigenia and Opabinia, feathered dinosaurs, the giant hornless rhino "Walter" ...

On a lawn inside the Bronx Zoo, rows of headstones display multiple animal species, making for an eerie display during the month of October. An Instagram post from an account known as Inside History ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal Biosciences, the Dallas-based biotech company leading the charge, has made ...