Colossal Biosciences Engineered Dire Wolf Pups
The firm successfully created three dire wolf pups using surrogate domestic dog mothers.
Updated on Oct. 10, 2026 in Biotech
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Colossal Biosciences engineered three dire wolf pups, named Romulus, Remus, and Khaleesi, by mapping ancient DNA to the gray wolf genome. The pups were born to domestic dog surrogates in North Texas.
Why it matters
The company aims to leverage synthetic biology and CRISPR tools to advance conservation efforts and human healthcare technologies. This project serves as a key milestone in their broader mission to bring back extinct species.
Researchers reconstructed the dire wolf genome by mapping ancient fossil DNA to the modern gray wolf genome. They subsequently edited the cells of gray wolves to produce the embryos implanted in surrogate domestic dogs.
The players
Colossal Biosciences
A biotechnology company focused on synthetic biology and de-extinction technologies.
Ben Lamm
The founder and chief executive officer of Colossal Biosciences who leads their de-extinction initiatives.
The details
Colossal Biosciences created the pups by editing gray wolf cells to reintroduce traits of the dire wolf, a species that went extinct 12,500 years ago. The firm utilizes these advancements to test the viability of their broader de-extinction models.
Timeline
March 2026: The company spin-off Astromech reached a $2 billion valuation.
July 2026: Colossal Biosciences raised $200 million in a Series C funding round.
October 1, 2026: CEO Ben Lamm discussed company progress at the CNBC AI Forum in Dallas.
2030s: The firm projects the potential birth of a woolly mammoth.
The Tech Race
This project represents a shift toward synthetic biology, moving beyond traditional conservation into active genomic reconstruction. It positions Colossal Biosciences at the forefront of a biotech arms race that aims to replace extinct species via advanced editing technologies.
While the technology is currently focused on conservation, these breakthroughs are designed to eventually improve human healthcare capabilities. Readers may see future applications in medicine as these synthetic biology tools continue to scale.
The takeaway
The successful birth of these pups demonstrates that complex genomic reconstruction is moving from theory to reality. Continued monitoring of these animals will provide critical data for future attempts to restore extinct species.
What happens next
The company expects to deliver additional extinct species over the next one to two years as part of its ongoing development roadmap.
Further reading
Learn more about the latest breakthroughs in the field at Biotech.
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Do you support using genetic engineering to bring extinct species back to Earth?
