Catalyst: NASA satellite images of our solar system

The latest generation of NASA satellites during its Lucy Mission captures new visions of Earth and fascinating objects in our solar system.

In this segment:

Don Johanson, PhD

American Experience "Plague at the Golden Gate"

Joseph Kinyoun in uniform at his desk

Discover how an outbreak of bubonic plague in 1900 set off fear and anti-Asian sentiment in San Francisco.

Lucy Worsley Investigates "Madness of King George"

Lucy Worsley stands before the Nether Keith Chapel ruins

Take a closer look at the life of George III and how an assassination attempt and a tale of mental illness changed Britain.

Arizona Horizon election debates 2022: Republican candidates for Congressional District 6

Election 2022: Republican candidates for Congressional District 6

Republican candidates hoping to represent Arizona's sixth congressional district debate the issues.