Earth's biodiversity is in crisis. An imminent "sixth mass extinction" threatens beloved and important wildlife. It also threatens to reduce the amount of genetic diversity—or variation—within species ...

A biotech company says it has bred three animals with key physical features of the dire wolf — a species that has been extinct for more than 12,000 years. Colossal Biosciences says it used novel ...

Food made from pigs engineered to be resistant to a porcine virus are as safe and nutritious to eat as pork currently on the ...

At a meeting of top conservation groups this week, a bioethics question took center stage: Should scientists be allowed to tinker with the genes of wild plants and animals? The tentative consensus so ...