Cheap, quick and tasty, fast food became a culinary craze in the 1950s. But has our quest for convenience created an ...

Fifteen international agencies spend $62 billion every year on space travel. What's fueling our costly — and dangerou...

In the 21st century, China has become a global economic powerhouse. Why was the rest of the world so slow to notice i...

Plastics have transformed how we live, but progress comes at a high price: 7.8 billion tons of waste. Are plastics a ...

Oil has brought great wealth to the Middle East and ignited major wars. Is it a blessing or a curse for the region, a...

We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Could they one day c...

Feminism has ushered in sweeping changes to society, securing rights for women around the world. How much further do ...

Over 10% of the world's electricity comes from nuclear power. But with radioactive waste and the threat of nuclear me...

Nearly 40 million people are living with HIV. After decades of research and activism, how far have we come in finding...

DNA analysis has given us the tools to map disease, solve crimes and more. But in our rush to decode DNA, are we leap...