Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in the overall health of the ecosystem. With both being apex predators, ...

In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

A Dallas-based biotech company called Colossal Biosciences says it has produced “de-extinct” dire wolf pups using gene-editing technology, but critics argue the animals are genetically modified gray ...

A biotech company says CRISPR could revive extinct animals like the dodo and mammoth — but many scientists remain skeptical.

A pack of endangered wolves was released into the wild in the northern Mexican state of Durango on Friday, thanks to ...

A Dallas-based startup says it has produced three “de-extinct” dire wolf pups using gene-editing technology — and the dodo and woolly mammoth are next. But the gap between the company’s marketing and ...

Colossal Biosciences’ CEO says its work follows a ‘moral obligation’ while critics say it’s ‘tech bro’ hype that could undermine conservation ...

Colossal Biosciences, a biotech company, is using gene-editing technology to resurrect extinct species like the dodo and the woolly mammoth.

The U.S. Fish and Wildlife Service has opened up a public comment period for a narrow part of Colorado’s experimental wolf ...

Photographer Tom Murphy has documented the park's wildlife for decades. Now, one of his photos will be on a Forever Stamp.

Ontario won’t publish its plans to protect wolves, butterflies and bats, after Bill 5 dropped requirement for endangered ...

The agency is collecting data on experimental populations of threatened and endangered species, including the New Mexico ...