Series: NOVA

In the far reaches of the solar system, Uranus and Neptune dazzle with unexpected rings and moons.

Researchers use the science of animal cognition to learn how dogs understand the world around them.

Scientists use new technology to examine the ancient Dead Sea Scrolls and newly surfaced fragments.

Join master armorers as they re-engineer the Greenwich armor and then put it to the test.

Archaeologists investigate how the ancient Egyptians built the pyramids of Giza.

Throughout the animal kingdom, some of the cleverest creatures - including humans - seem to be those who live in complex social groups, like dolphins, elephants and apes.

Archaeological findings enable a team of experts to reconstruct and test China's ancient chariots.

Scientists explore the impact of the asteroid that killed off the dinosaurs 66 million years ago.

Sixty-six million years ago, an asteroid wiped out the dinosaurs in a fiery global catastrophe. An amazing new trove of fossils reveals how mammals took over, ultimately evolving into the huge array of species, including us, that rule Earth today.

The 8,000 buried clay warriors of China's first emperor are researched using 3D computer modeling.

The ingenious engineering of Beijing's Forbidden City, power center of imperial China, is explored.

Join scientists on a quest to better comprehend the workings of the weather and climate change.

Join doctors on the front lines of the fight against COVID-19 as they strategize to stop the spread.

Scientists investigate the "intelligence" of slime molds, which appear to learn without a brain.

Researchers reveal how humans tamed fearsome canines over tens of thousands of years.