A version of the dodo bird (Raphus cucullatus) could make a return someday soon. Colossal Biosciences announced this week several milestones in its quest to bring the extinct species back to life. On ...

With wildlife populations globally 73% smaller on average than in 1970 and large mammals missing from much of the world, surely there's never been a better time to "de-extinct" species? US biotech ...

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. But there's a hidden ...