Most experts USA TODAY spoke with agreed that attempts to de-extinct animals, like the dire wolf, ... "It would be really cool to see a woolly mammoth, ...

Yes, it’s cool that biotechnology can now create animals that resemble extinct species. Colossal is already eyeing its next acts—the woolly mammoth and the dodo.

The finished animals, if born, may resemble their extinct counterparts in outward appearance and some behaviour – but they will not be genetically identical. Rather, they will be hybrids ...

Animal extinction affects entire ecosystems and, in turn, the world. Let's face it, few of us have crossed paths with a real, live endangered species today—one that is teetering on a tightrope ...

Arctotherium Angustidens is often referred to as the short-faced bear, thanks to its comparatively small snouts. The rest was, naturally, colossal. They lived in the region that's now South America ...