A staggering 31 percent of the world's cactus species are threatened with extinction.
It's a bit like the Jurassic Park version of gourds. Students have managed to revive an extinct form of squash that's been gone for hundreds of years.
A giant panda study uses stem cell research to determine some of the deadly diseases that pandas are susceptible to, Iain Valentine, Director of Giant Pandas for the Royal Zoological Society of Scotland.
A newly discovered mammal species may have actually survived the dinosaur extinction. Researchers have found a beaver-like mammal that managed to outlast the dinosaurs about 66 million years ago
What kind of animals actually survive a mass extinction? You might be surprised.
It turns out that the asteroid wasn't the only thing that did in the dinosaurs.
A cold snap may be responsible for the retreat of crocodilians millions of years ago
As climate change strikes the Northeast, many species, including the polar bear, are cross-breeding, resulting in hybrids in the wild.
The Sumatran rhino has finally become extinct in the wild in Malaysia.
Scientists are learning a bit more about the evolution in the Caribbean with the help of the first ever salamander found frozen in amber.
Most people don't think mass extinctions are a good thing. Now, though, researchers have found that these extinctions may actually accelerate evolution, unleashing new creativity in adaptations.
What species would survive a mass extinction event? That's a good question. Now, scientists have announced that widespread species are at just as high a risk of being wiped out as rare ones after global mass extinction events.