School is back in session, so we've rounded up these hilarious celebrity yearbook photos well before their red carpet days.

You don't always need a lab or an advanced degree to make contributions to science. As citizen science shows, sometimes you just need Wi-Fi.

Even génocidaires have standards, apparently.

Each national flag has its own particular design, but the reasons why they have been chosen and what they represent are not always immediately obvious.

People are drawn to water, but we know little about how the land leading us to them was formed.

Surely there's a better way to raise money for charity than this.

Generally speaking, the selfie is about as interesting as a manila folder. But we don't mind them as much when they're taken in cool locations.

The image of a weightless Michael Jordan at a 1988 dunk contest is a key fixture in the annals of history. Here's the story behind the legendary photo.

In 1929, Al Capone was sentenced to a year in this Philadelphia prison. A life of crime doesn't seem all that bad.

Pope Francis delivered a biting papal encyclical this week that focused mainly on the environment. Here are some of his most memorable quotes on the matter.

Many deem Putin mania to be the biggest cult of personality Russia has seen since the days of Stalin. Take a look at these photos and judge for yourself.