Read the latest

What you need to know about that mysterious Chinese coronavirus

Some birds watch other birds to see if what they're eating is good ... or gross

13 unexpected leap year facts

What is the 'windshield phenomenon'?

Bear the dog is saving Australia's koalas — and he needs your help

Why Iran's Lake Urmia disappeared — and may be coming back

A Western-style diet could affect the brain in as little as a week

Physicists just 'held' an individual atom for the first time

Thousands of feral horses to be removed from national park after Australian wildfires

Why 10,000 steps might not be the right goal

This biodegradable, edible wrapper could replace single-use plastics for food

How often do you really need to shower?