Explore 25 mind-blowing extinct creatures you'll be glad don't exist! Discover Earth's most terrifying ancient monsters like ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have used DNA and RNA from a preserved thylacine (Tasmanian tiger) head to reconstruct nearly the entire genome of the ...

More than 500 endangered blue-tailed skinks are released on Horsburgh Island in the Cocos (Keeling) Islands in a bid to save ...

A new analysis of fossilized bones from crocodiles’ archosaur ancestors suggest they reverted back to cold-blood to become ...

Ichthyosaurs were the main predators of the oceans millions of years ago. Like reptilian dolphins with a mean streak, they grew between 10 and 43 feet long and had a long snout armed with viciously ...

The Phoenix Species Project, a $200 million effort, is the largest initiative ever to be focused solely on recovering ...

In Hawaii, the introduction of the rosy wolfsnail was intended to combat a pest, but it drastically backfired. Instead of ...

A $200 million global effort aims to save 100 of the world's most endangered species with long-term conservation funding.

Australia's unique animal species are in sharp decline, with more than 40 mammal extinctions over the past 238 years. This ...

But of course the actual “web of life” has many, many more strands than the rather newcomers of the human race. The great wisdom of the Endangered Species Act, now 50 years old, is to consider and ...