Series: NOVA

Physicists capture light from across the universe in a bid to prove quantum entanglement.

Hear Apollo astronauts and engineers tell the inside story of how the first mission to the moon, Apollo 8, pioneered groundbreaking technologies that would pave the way to land a man on the moon and win the space race.

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

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

Almost a century ago, paleontologists found fossil bones from a dinosaur that was bigger than Tyrannosaurus rex. The Spinosaurus fossils were destroyed in a WWII bombing raid. Now, the discovery of new bones in Morocco is reopening the investigation into this epic beast. Follow the paleontologists who are reconstructing this terrifying carnivore, a 53-foot-long behemoth with a huge dorsal sail, scimitar-like claws and superjaws. Bringing together experts in paleontology, geology, climatology and paleobotany, this special brings to life the lost world over which Spinosaurus reigned more than 65 million years ago.

An intimate portrait of the American hero features interviews with Armstrong's family and friends.

The history of the Concorde, the passenger plane that flew at twice the speed of sound, is revealed.

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

Planets are explored. Is there somewhere else in the solar system where life might flourish?

Mars was once a blue water world studded with active volcanoes. Did life ever form on the planet?

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.

Jupiter shaped life on Earth, delivering comets laden with water and perhaps even a fateful asteroid.

NASA's Cassini explores Saturn for 13 years, looping through its icy rings and flying by its moons.

For the first time ever, two intrepid pilots fly a solar-powered airplane around the world.

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

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

Discover how predictions underpin many aspect of our lives and why some succeed while others fail.

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

When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists developed their own biotech industry - and promising lung cancer vaccines. Can they now team up with U.S. partners to make the treatments available to all?