There once used to be up to 10,000 grizzly bears roaming California, but they eventually disappeared from the state as humans ...

A new study found that it's possible to return grizzly bears to California. Whether that's a good idea is a matter for ...

Only a century after that flock passed through Kentucky like a hurricane, the last passenger pigeon ... by specimens of three other extinct avian species: the great auk, Carolina parakeet and ...

bears and the Indigenous tribes who revered them were both persecuted in the past. Strychnine was often used to poison the animals. In a turn that was particularly grisly, there was actually a ...

One such wonder has crawled back into sight — a soft, slow-moving worm not seen for over 100 years ... worm species. This creature, with velvety skin and stubby legs, was last seen in 1913.

Scientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is ...

The American genetic engineering firm Colossal Biosciences recently announced to much fanfare it had "de-extincted" the dire ...

The first egg hatched on February 27, but more could still come and the zoo’s animal care team is carefully ... that has visited the Zoo for the last 92 years has likely seen her,” said ...