In 1775, a ragtag army of farmers and tradesmen went to war against the most powerful army in the world, ultimately winning American independence. What military technologies did the American ...

For more than 50 years, NOVA has been inspiring people with stories of science that spark curiosity and illuminate the ways that science can solve important problems and improve lives. In ...

Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science fiction, but scientists are racing to develop new, more efficient methods of space travel ...

If the universe as we know it started with the Big Bang, will it also have an end? And if it’s going to end someday - how? Here are four leading ideas.

This one-hour program is divided into six chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing the video. If you experience difficulty viewing, it may ...

NOVA: There have been claims that a great civilization predates ancient dynastic Egypt—one that existed some 10,500 years B.C.—and that this civilization was responsible for building the ...

Heavy water is a form of water with a unique atomic structure and properties coveted for the production of nuclear power and weapons. Like ordinary water—H 2 0—each molecule of heavy water ...

The search for the cause of the fire that brought down Swissair Flight 111 on the evening of September 2, 1998, killing all 229 people aboard, took over four years and cost $39 million. It was one ...

Before the restoration team could begin, they had to take apart, block by block, and repair nearly every piece of the Parthenon. That's because early restorers, most notoriously a Greek engineer ...

The Nazi reign of terror lasted from 1933 to 1945, a time when mounting affronts to Europe's Jews, Gypsies, and others gave way to the most unspeakable atrocities ...

The question of who built the pyramids, and how, has long been debated by Egyptologists and historians. Standing at the base of the pyramids at Giza it is hard to believe that any of these ...

When the subject of alien abductions was first suggested as a possible NOVA, I was intrigued. As a long-time sci-fi buff and one open-minded to the notion of extraterrestrial intelligence, I could ...