One of the most influential leaders of the 20th century, Nelson Mandela also had a way with words.
Zombies in the Philippines? Eyeballs in Hungary? Greenpeace truly is the master at getting the world's attention.
In the aftermath of one of the world's worst storms this year, Filipinos used Instagram to record colossal amounts of destruction.
There are too many elephants in South Africa. There are too many beavers in Argentina. While we mostly worry about animals going extinct, many are multiplying by dangerous proportions. Here are 11 of the most invasive.
The US, China, India and most of Europe could fit inside Africa and there'd still be room.
The US is not alone. Here's just a partial list of the other governments that have been caught spying on its own citizens.
This amazing map shows what each country is 'No. 1' in.
Global leaders stress that a US default would have a devastating impact on the rest of the world.