Nova (stylized as NOVΛ) is an American popular science television program produced by WGBH in Boston, Massachusetts, since 1974. It is broadcast on PBS in the United States, and in more than 100 other countries. The program has won many major television awards.

Nova often includes interviews with scientists doing research in the subject areas covered and occasionally includes footage of a particular discovery. Some episodes have focused on the history of science. Examples of topics covered include the following:

Colditz Castle,

the Drake equation,

elementary particles,

the 1980 eruption of Mount St. Helens,

Fermat's Last Theorem,

the AIDS epidemic,

global warming,

moissanite,

Project Jennifer,

storm chasing,

Unterseeboot 869,

Vinland,

Tarim mummies,

and the COVID-19 pandemic.

The Nova programs have been praised for their pacing, writing, and editing. Websites that accompany the segments have also won awards.