New polymers meant to either biodegrade or to last longer would reduce waste. So what is taking science so long to create them? Well, it's complicated.

In 1880s London, an anti-prostitution campaign, anti-immigration feelings, and a deep class divide set the scene for the Jack the Ripper media frenzy.

In 19th-century America, the changing economy called for warehouses, which in turn created the warehouse districts that defined many cities.

In the 1930s, Nazi Propaganda Minister Joseph Goebbels led the charge to create a radio cheap enough that even workers could own one.

In the Middle Ages, the legend of Aristotle and Phyllis exemplified the “Power of Women” trope.

A new film tells the story of Ron Stallworth, a black police officer who infiltrated the KKK in 1972. What was the context for this odd moment in history?

Adichie speaks on the meaning of blackness, sexism in Nigeria, and whether the current feminist movement leaves out black women.

Scientists studying fallen civilizations suggest that the culprit is overshoot in combination with climate change. What does this mean for our current era?

A leader's popularity usually has more to do with the market, the economy, and other external factors than with the leader's personality.

New climate model suggests next four years will be hotter than expected.