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

Fifteen international agencies spend $62 billion every year on space travel. What's fueling our cost...

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

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

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

We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Cou...

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

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

Nearly 40 million people are living with HIV. After decades of research and activism, how far have w...

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

Once a secret military program, GPS now guides our daily lives, from providing directions to finding...

MP3s transformed how we listen to music — and spawned digital piracy. Streaming helped the industry...

Credit cards changed the global economy and attitudes about personal spending, but record levels of...

Growing evidence suggests that psychedelic drugs could treat brain injuries and psychological proble...

Bottled water is a big business, selling itself as a tastier and healthier alternative to the tap va...

Thanks to dating apps, finding love is easier than ever. But are we now so focused on playing the ga...

They're used for everything from entertainment to medicine — and now for weapons straight out of sci...

The home fitness revolution has exploded into a multibillion-dollar industry. Are home workouts a he...

A groundbreaking medical reproductive procedure has made parenthood possible for millions around the...

Sweet deal or bitter pill? High fructose corn syrup rose up to dominate supermarket shelves, but wha...