Up Next
Back to Show
PBS News Hour
We can't see this possible 9th planet, but we feel it
Most of us grew up thinking there were nine planets in the solar system, but that changed when Pluto got downgraded in 2006. Now there's news that there might be a ninth planet after all. Researchers have found evidence of a planet with a mass 10 times that of Earth. Jeffrey Brown talks to Mike Brown of the California Institute of Technology.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
56:45
June 23, 2025 - PBS News Hour full episode
26:45
June 22, 2025 - PBS News Weekend full episode
26:45
June 21, 2025 - PBS News Weekend full episode
56:44
June 20, 2025 - PBS News Hour full episode
57:46
June 19, 2025 - PBS News Hour full episode
57:46
June 18, 2025 - PBS News Hour full episode
57:46
June 17, 2025 - PBS News Hour full episode
57:46
June 16, 2025 - PBS News Hour full episode
26:45
June 15, 2025 - PBS News Weekend full episode
26:45
June 14, 2025 - PBS News Weekend full episode
57:46
June 13, 2025 - PBS News Hour full episode
57:46
June 12, 2025 - PBS News Hour full episode