More than 1,000 species of lichen grow in Washington. All of them offer a window into profound biological cooperation.

While you might think a zoo is a zoo, these exhibits often have more than animals -- some of the world's oldest pack in quite ...

Europe is in the middle of a record-breaking heat wave, and the grid is being pushed to its limits as people turn to fans and ...

Becca and Phil have a real conversation in easy English about old friends – the friends you have known for a long time. Learn to talk about the difference between keeping in touch, losing touch and ...

What was the last thing you bought? And can you remember why you bought that particular thing, rather than something else? We all like to think we make rational, independent choices when we buy things ...

This is likely the cheapest they'll EVER be.

Sport junkie or couch potato? Always on time or often late? The animal kingdom, too, is home to a range of personalities, each with its own lifestyle. Biologists report on a surprising discovery: even ...

So when other people talk about how tired they are, I’ve learned to say nothing – afraid that if I start complaining, I’ll ...

Discover the origin and purpose of the structures of living things, from why baboons have swollen bottoms to the ...

Have you ever puzzled over the meaning of a particular wildlife word or phrase? Then puzzle no more! From the 'Fraser Darling effect' to the 'K-T Boundary', our glossary provides the explanation – in ...