About 45,000 years ago, in a cave system in what...

Winter rain across Europe is changing faster than scientists expected....

China has begun building a new hydropower "mega dam" complex...

Cities are racing to get cleaner, cooler, and more resilient....

Space scientists report that spending time in microgravity makes certain...

A new scientific review argues that papain, the signature enzyme...

A new double blind precision randomized trial reports that a...

Common farm insecticides are not only killing pests but may...

Microplastics drift through rivers and coasts while gathering countless microbes...

When we picture the open Pacific, we imagine endless blue...

About 1,800 miles (2,900 kilometers) below our feet, two enormous...