A signal from the dawn of the universe may hold surprising clues about dark matter.

The one thing Katherine Hayhoe wishes we did about climate change.

Ecologist Stephen Pacala says a climate change conspiracy is impossible.

Disastrous hurricanes. Widespread droughts and wildfires. Withering heat. Extreme rainfall. It is hard not to conclude that something’s up with the weather, and many scientists agree. It’s the result of the weather machine itself—our climate—changing, becoming hotter and more erratic. In this 2-hour documentary, NOVA will cut through the confusion around climate change.

Disastrous hurricanes. Widespread droughts and wildfires. Withering heat. Extreme rainfall. It is hard not to conclude that something’s up with the weather, and many scientists agree. It’s the result of the weather machine itself—our climate—changing, becoming hotter and more erratic. In this 2-hour documentary, NOVA will cut through the confusion around climate change.

Faith and climate science are not at odds, says evangelical meteorologist Paul Douglas.

In honor of Black History Month, we celebrate these black scientists.

Scientists have a new tool to edit genes in human cells to repair mutations. What is it?

To make their delivery schedule, how quickly must Santa and his reindeer travel the world?

To physicists, curling presents the most puzzling conundrum in the Olympic Games.

Sometimes the biggest puzzle in physics seems like the worst relationship in the universe.

"What The Physics?!" host, Greg Kestin, answers questions from you, our viewers.

From necking giraffes to monogamous parasites, creatures couple up in unexpected ways.

Simply squinting at a lamp highlights the quantum nature of light.

Football is a full-contact sport, but can a high tech mouth guard help save players’ brains?

Crowds hold a predictive power that can have startling accuracy.

Science's most important (and controversial) number has its origins in a British experiment involving milk and tea.

As France fell to the German armies in May 1940, 400,000 Allied troops were trapped on the beaches of Dunkirk. Their annihilation seemed certain—a disaster that could have led to Britain’s surrender. But then, in a last-minute rescue, Royal Navy ships and a flotilla of tiny civilian boats evacuated hundreds of thousands of soldiers to safety across the Channel—the legendary “miracle of Dunkirk.”