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PBS News Hour

Peering Into the Cosmos with Brian Greene

In NOVA's latest four-part series, physicist Brian Greene covers an astonishing swath of material in the world of physics: quantum mechanics, general relativity, lightspeed and gravity and search for elusive subatomic particles. The series is based on his book Fabric of the Cosmos. This week, Hari caught up with Greene to discuss the first installment of the series, "What is Space?"
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January 23, 2026 - PBS News Hour full episode
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Season 2026 Episode 23
January 23, 2026 - PBS News Hour full episode
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Season 2026 Episode 22
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Season 2026 Episode 20
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January 20, 2026 - PBS News Hour full episode
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Season 2026 Episode 19
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Season 2026 Episode 13
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Season 2026 Episode 12
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Season 2026 Episode 10
January 10, 2026 - PBS News Weekend full episode
January 10, 2026 - PBS News Weekend full episode
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