Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to ...

Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

And then there were none. The International Union for Conservation of Nature (IUCN) has announced that several species of animals and plants have now gone extinct. The 2025 list of extinctions ...

We human beings belong to a very exclusive group of animals. There are only four types of "great apes" in existence today, those being humans, chimpanzees, orangutans, and gorillas. As the name "great ...

But earlier this month, researchers announced something overwhelmingly positive: Green sea turtles, the iconic marine species ...

For almost 200 years, no one knew where the last living great auks were. Using DNA testing, one of them was found in Cincinnati.

Advancing science may make it possible to bring back extinct species like the dire wolf—but should it? CU Boulder environmental studies and philosophy Professor Ben Hale says the answer is complicated ...