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Science and Nature
PBS Space Time

Gravitational Wave Background Discovered?

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.

Gravitational Wave Background Discovered?

Season 7 Episode 8 | 13m 54s | CC

It was pretty impressive when LIGO detected gravitational waves from colliding black holes. Well, we’ve just taken that to the next level with a galaxy-spanning gravitational wave detector that may have detected a foundational element of space itself - the gravitational wave background.

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