An update to the International Union for Conservation of Nature's Red List of Threatened Species has declared 31 animal and plant species extinct. That total includes the lost shark, listed as ...

Cloning long-extinct or even currently endangered species has caveats and is not a straightforward or simple process. There is a high rate of fetal loss, as well as mortality soon after birth.

Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct. Suspected footage of Zaglossus attenboroughi -- the long-beaked ...

The dire wolf went extinct around 10,000 years ago. The recent claim that a U.S. biotechnology company resurrected the long-extinct dire wolf through genetic engineering seemed to shock the ...

The dire wolf, a large, wolflike species that went extinct about 12,000 years ago, has been in the news after biotech company Colossal claimed to have resurrected it using cloning and gene-editing ...

Endangered species such as sage grouse, gray wolves, and grizzly bears are inconvenient obstacles to “unleashing” fossil fuel extraction everywhere across the public lands of the West.

Animals that birth de-extinct species could experience miscarriage, stillbirth, early death and possible pain, suggested Jay Odenbaugh, a professor of philosophy at Lewis & Clark College in ...