Season 52

Can science reveal the secrets of mysterious objects seen in our skies?

Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.

Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.

A long-lost ancient cemetery opens the door to a unique period in Egyptian history.

Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.

Follow the investigation into the deadly container ship collision that closed the Port of Baltimore.

Explore key military technologies in the American colonies’ fight for freedom.

Follow scientists in a quest to understand how complex forest ecosystems can help cool our planet.

After centuries of pseudoscience, researchers examine the causes of racial health disparities.

Investigate medical algorithms in which the patient’s race drives decisions.

A first-of-its-kind experiment aims to stage a multi-vehicle pileup to gain new data on car safety.

Forensic science is put to the test after a first-of-its-kind staged pileup.