The story of Stonehenge is being rewritten.

pbs | TV-G

In the aftermath of the worst financial crisis since the Great Depression, "Mind Over Money" explores why mainstream economists failed to predict the crash of 2008 and why we so often make irrational financial decisions.

pbs | TV-G

Extreme Cave Diving follows the charismatic Dr. Kenny Broad as he dives into blue holes-underwater caves that formed during the last ice age when sea level was nearly 400 feet below what it is today.

pbs | TV-PG

NOVA joins a new generation of archeologists as they probe areas of Machu Picchu that haven't been touched since the time of the Incas and unearth burials of the people who built the sacred site.

pbs | TV-PG

NOVA follows a team of archeologists and boat builders as they reconstruct a vessel depicted on the wall of an ancient Egyptian temple.

pbs | TV-PG

NOVA joins an exclusive dive beneath the waters of Pearl Harbor to trace new clues to the sinking of the USS Arizona.

pbs | TV-PG

Stunning breakthroughs in a new science - nicknamed "evo devo" - are revealing answers to the riddles that Darwin couldn't explain.

pbs | TV-PG

NOVA probes a wave of dramatic new evidence, based partly on cutting-edge DNA analysis, that reveals new insights into how we became the creative and "behaviorally modern" humans of today.

pbs | TV-PG

This program tackles the mysteries of how our ancestors managed to survive in a savannah teeming with vicious predators, and when and why we first left our African cradle to colonize every corner of the Earth.

pbs | TV-PG

The first program explores fresh clues about our earliest ancestors in Africa, including the stunningly complete fossil nicknamed "Lucy's Child."

pbs | TV-PG

From training to launch, NOVA presents the inside story of the mission and the extraordinary challenges faced by the rescue crew.

pbs | TV-PG

A provocative new theory about what killed off America's mammoths at the end of the last Ice Age.

pbs | TV-PG

A photojournalist and a scientific team strive to create a unique photo archive of melting glaciers that could provide a key to understanding their runaway behavior.

pbs | TV-PG

The half-century bloom of a bamboo species leads to an explosion in the rat population in the Indian state of Mizoram.

pbs | TV-PG

NOVA exposes the hidden world of high-tech, 21st-century eavesdropping carried out by the National Security Agency (NSA).

pbs | NR

NOVA flies along with the monarch butterflies, visiting the spectacular locations they call home and meeting the dangers they encounter along the way.

pbs | TV-PG

San Francisco veterinarian Dr. Frances Gulland is committed to saving sick marine mammals, but she's also desperately trying to figure out what's killing them.

pbs | TV-PG

A powerful partnership between science and scholarship breaks exciting new ground in investigating the origins of the ancient Israelites, their faith in a single, omnipotent God and the creation of the Bible.

pbs | TV-PG

NOVA investigates the furious scientific debate raging over what "Hobbit" bones represent.

pbs | TV-PG

A revolutionary new branch of math called fractals has changed the way we see the world and opened up a vast new territory to scientific analysis and understanding.

pbs | TV-PG

Through interviews with astronauts, their families and members of the Columbia Accident Investigation Board, this program gives viewers a new look at the Columbia space shuttle tragedy - and at NASA itself.

pbs | TV-PG

At age 78, E.O. Wilson is still going through his "little savage" phase of boyhood exploration of the natural world. NOVA profiles this soft-spoken Southerner and Professor Emeritus at Harvard.

pbs | TV-G

A difficult journey that begins in loneliness and shame for thousands of Ethiopian women ends in a productive new life and hope for the future in this award-winning film.

pbs | TV-PG

Tom Magliozzi, co-host of NPR's Car Talk, needs to replace his beloved 1952 MG roadster. Is new technology about to transform the way we drive? Join Tom and brother Ray as they take a light-hearted but shrewd look at America's four-wheeled future.

pbs | TV-G

The ancient Maya civilization of Central America left behind intricate and mysterious hieroglyphic script carved on monuments, pottery and books. Unlocking its meaning is one of archaeology's fiercest challenges. Until now.

pbs | TV-G