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

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

A Sense of Scale. At roughly minus 460 F, absolute zero is abysmally cold, yet at least we can imagine it. Being only a few hundred degrees below zero, it's in the realm of someth ...

View high-resolution satellite images of New Orleans taken immediately after the city flooded, and zoom in on key spots where floodwaters overtopped or broke through levees.

Andrew Wiles devoted much of his entire career to proving Fermat's Last Theorem, the world's most famous mathematical problem. In 1993, he made front-page headlines when he announced a proof of the ...

Before We Split Welcome to Mitosis vs. Meiosis. This half of the screen illustrates mitosis—the division of a cell's nucleus.

Is Earth the center of the universe? Is there a center of the universe at all? Physics relies on the idea that there isn’t – ...

Falling is more complicated than you might think. For centuries, scientists argued about how objects fall. The answer ...

Here’s why centrifugal force is considered a “fictitious” force. Centrifugal force feels completely real — but physicists ...

For centuries, scientists have been baffled by how cats land on their feet. Figuring it out took several theories, ...