More than 2,000 volunteers are helping Polish scientists restore a Mastodonsaurus skeleton. This massive amphibian was an ...

Scientists have uncovered new clues about the giant space rock that slammed into Earth 66 million years ago and triggered one ...

Researchers suggest fern-covered landscapes burned across thousands of square kilometers after forests disappeared.

Earth's oceans into a toxic, oxygen-starved crisis that erased nearly all marine life. Scientists have finally uncovered what separated ...

Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass ...

The Interior Department’s Fish and Wildlife Service revised regulations implementing the Endangered Species Act.

A recent study in the Proceedings of the National Academy of Sciences suggests that differences in physiology, metabolism, ...

Explore the 25 Most Endangered Species On Earth. Learn about their threats, conservation efforts, and how you can help save ...

Clams and snails rule today’s shores because their ancient ancestors survived a catastrophe that erased nearly all ocean life. The shells scattered along modern beaches are clues to an ancient ...

So, by that standard, could a similar fate await humanity in the not-so-distant future? Well, as the saying goes, all good ...

The dinosaur-ending meteor devastating may have been its angle ...

The greatest mass extinction of all time was triggered by climatic conditions that are beginning to reappear today, ...