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What do the U.S. dollar, South African rand, the British pound, Indian rupee, Japanese yen and Chinese yuan have in common?

A 21-year-old Somali asylum seeker has set herself on fire at an Australian offshore processing center on the pacific island of Nauru, less than a week after refugee advocates say she was forcibly sent back there.

An Iranian asylum seeker has died two days after setting himself alight in an Australian detention center on the remote Pacific island of Nauru.

"When I woke up I didn't know that I was in China."

Schools, hospitals and companies are falling victim to ransomware and cyber extortion. CNN's Drew Griffin reports.

CNN's Nima Elbagir reports on just how easy it is to get your hands on extremist literature in Belgium.

Google's driverless car just caused its first crash. To the casual observer this may seem to vindicate the doubters. In fact, all it does is prove that the future is now.

Here's a look at the life of Zimbabwean President Robert Mugabe.

Today, Aleppo is at the heart of Syria's civil war, but before the war, many would travel to the city for its amazing history and architecture.

Day five at sea in the High Arctic, and the news breaks early in the day. At 6 a.m, we're officially the most northerly vessel on the planet, reaching 81 degrees 16 minutes latitude. Not bad in a world of 7.3 billion people.

A relative calm prevailed over the Greek island of Kos by the time photographer Jörg Brüggemann landed there in August.

CNN's Sumnima Udas joins a patrol with New Delhi's highest ranking female police officers to see what has changed on the city's streets since a 2012 gang rape.

There's crime and then there's evil, pure and simple.

From Alaska to Uganda, people share how climate change is affecting their everyday lives.

It's notoriously difficult to get information out of Raqqa. ISIS monitors everything inside the city and CNN has a policy of not contacting anyone in the city directly as it would put their lives in danger. Much of the information in this gallery has been provided by activist group Raqqa is Being Silently Slaughtered and many of the sources are unnamed for their own protection. CNN cannot independently verify their information.

Antarctica covers an area of almost 14 million square kilometers -- about the same size of Europe.