Horizontal traffic lights are common in some parts of the U.S. and can confuse drivers unfamiliar with them. Here’s what you need to know about their meaning and why they're used.

Theres a reason casinos rarely have windows or clocks, theyre engineered to make you lose track of time. But what if its not ...

The Justice League will never retire, but if they did, who would fill their shoes in the never-ending battle against evil?

Orchid seeds are spread by the wind, which is why they're so tiny. Varying when each seed germinates protects the population ...

Shift Your Mindset is an occasional series from CNN’s Life, But Better team. We talk to experts about how to do things differently to live a better life. Anti-aging aspirations have turned longevity ...

US President Donald Trump’s possible intervention in the Israel-Iran war is the last act in a remarkable reshaping of the ...

Iran’s Foreign Minister Abbas Araghchi is due to meet European counterparts in Geneva for talks, rather than negotiations, ...

Looking to inspire the next generation of curious minds? These are our picks of the best popular science books for children ...