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 ...

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

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 ...

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The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ripple effect throughout the ecosystems it existed within.

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 ...

SILVER SPRING, Md.--(BUSINESS WIRE)-- Is bringing a species back from extinction truly possible, or are we simply creating something new in its image? As headlines swirl around the highly publicized ...

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 ...

Extinction rates appear to have slowed since their peak in the early 1900s, suggesting not a reprieve for nature but a shift in how and where losses occur. Much of the damage was concentrated on ...