Stream now with KPBS+ / Watch Wednesday, Dec. 17, 2025 at 9 p.m. on KPBS TV Hosted by renowned paleontologist Kirk Johnson, this two-hour special takes viewers on a dramatic and surprising adventure ...

Algorithms are designed to make medicine more accurate. But when race is factored in, they can worsen inequality. NOVA is available to stream on pbs.org and the free PBS App, available on iPhone, ...

NOVA investigates why the ancient Maya abandoned the cities they had lived in for centuries. The ancient Maya built large complex cities with towering pyramids and temples that served as centers for a ...

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 classrooms ...