Quick Take Six animal species, including the slender-billed curlew and Christmas Island shrew, were confirmed extinct in 2025 ...

For most of human history, extinction has been understood as an immutable fact of nature—a one-way door that, once closed, could never be reopened. Species disappear, their genetic innovations vanish ...

With much controversy swirling around Colossal's proxy dire wolves, we spoke with the company's CEO to find out how these animals were created and what so-called de-extinction technology could mean ...

There are over 150,000 species on the International Union for Conservation of Nature Red List. Of those species, over 42,000 are threatened with extinction. On that list are 17,903 marine species that ...

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Biotechnology company Colossal Biosciences used genetic editing techniques to alter 20 genes of gray wolves (pictured above) to express certain characteristics of ancient dire wolves. The company says ...

The term “de-extinction” often conjures images of Jurassic Park-style genetic manipulation, complete with ethical dilemmas and ecological chaos. But the reality of functional de-extinction—the ...

Colossal Biosciences claims to have reached several milestones in its "Jurassic Park"-like ambition to bring extinct species back to life, helping it capture investor support and making its latest ...

For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth approximately 66 million years ago, leading to the extinction of about 70% ...

Colossal Biosciences, an American biotechnology company, announced the "de-extinction" of the dire wolf, a prehistoric wolf species that died out more than 10,000 years ago, in April 2025. Three pups ...