Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

Colossal Biosciences is pursuing this plan, having already revived the dire wolf using grey wolf DNA, and is working on ...

We've seen a US company bring the wolf species back from extinction after more than 10,000 years, and now the next animal on a "de-extinction" journey is New Zealand’s moa nunui (giant moa). The team ...