Approximate year of extinction: 66 million years ago Why it's cool: It has built-in armor. Pet cats are cool and all, but pet tanks are even cooler. The Ankylosaurus was 26 feet long and stomped ...

Researchers said the rare species “abruptly disappeared” from the region following an El Niño event. Now it is thriving.

In the last ten years, at least 15 species have officially checked out, never to be seen again. It's ironic to think how these creatures once roamed the planet with us, but now, they're just part ...

Colossal Biosciences, an American biotechnology company, announced the "de-extinction" of the dire wolf, a prehistoric wolf species that died out more than 10,000 years ago, in April 2025. Three ...

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 ...

According to The Cool Down, the Omiltemi cottontail rabbit was “lost” to the forests of Mexico about 120 years ago.This, of course, led researchers to believe that the species had gone extinct.

Climate change and habitat loss could cause more than 500 bird species to go extinct in the next 100 years, researchers from ...

When news broke that Colossal Biosciences, a Dallas-based biotechnology company, had resurrected three extinct dire wolves, the internet reacted with awe.It is a species that last roamed the earth ...

With a skin sample from a 52,000-year-old woolly mammoth, scientists are gaining new insights into what made the animals tick. The findings could also help controversial de-extinction efforts.