NOVA

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.

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

NOVA returns one last time to get an update on the seven doctors they've documented since 1987.

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.

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

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

NOVA examines California's aggressive pursuit of a sustainable energy future.

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.

The secrets of the Wright Brothers' innovative genius are explored in this historic episode, as NOVA marks the 100th anniversary of powered flight.

Can science save the last surviving masterpieces in Tibetan Buddhist art?

The collapse of the Maya civilization is shrouded in mystery, but perhaps an answer can be found with this exploration into its rise out of Central America's rain forests more than 2000 years ago.

For over 20 years, a team led by archaeologist Bill Fash has been at the forefront of research into the ancient Maya kings of Central America. In 1999, NOVA's cameras were there to capture Fash's excavation of the burial site of the legendary ancestral king and original founder of Copan's dynasty.