The official website for NOVA. NOVA is the most-watched prime time science series on American television, reaching an average ...

The Chinese admiral Zheng He must have made quite the impression when the 300 ships under his command arrived at a new destination. The biggest vessels, known as “treasure ships,” were by some ...

Restoring a ruin When the Acropolis Restoration Project began 30 years ago, Manolis Korres and his colleagues could have chosen to approximate the Parthenon's original state, adorning it with ...

At 146.5 m (481 ft) high, the Great Pyramid stood as the tallest structure in the world for more than 4,000 years. Today it ...

First Metal Money and Coins Bronze and Copper cowrie imitations were manufactured by China at the end of the Stone Age and could be considered some of the earliest forms of metal coins. Metal tool ...

Containing 35 separate papyrus scrolls, Babatha's archive is the largest single collection of ancient documents ever found in ...

The solution for Concorde was an elegant delta- or triangular-shaped wing reminiscent of 1950s military aircraft. It had ...

Scientists have cured a handful of people of HIV by piggybacking on treatments they received for blood cancer. But does that bring a widespread cure any closer? ByBenjamin Ryan Wednesday, October 5, ...

(This program is no longer available for online streaming.) The centuries-old tradition of folding two-dimensional paper into three-dimensional shapes is inspiring a scientific revolution. The rules ...

Is time travel possible? For centuries, these questions have intrigued mystics, philosophers, and scientists. Much of ancient ...