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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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56:45
A federal judge limits the Biden administration's contact with social media companies over concerns about censorship and free speech.
26:45
With monkeypox cases on the rise, concerns grow over disparities in access to vaccines, testing and treatment.
56:41
President Biden asks Congress to suspend the federal gas tax temporarily as rising prices pinch Americans nationwide.
26:38
Ukrainian officials say they've won the battle for Kyiv as Russia repositions its forces and begins a new offensive in the east.
26:39
Ukraine's President Zelenskyy says Russia engaged in genocide following shocking images of civilians killed outside Kyiv.
26:35
Joe Biden speaks out against the war while in Poland today as Russian airstrikes of Ukrainian cities continue.
26:35
The Russian invasion in Ukraine enters its fourth week as President Zelensky calls for peace talks and accuses Russia of war crimes in Mariupol.
26:35
Ukraine's president calls for more peace talks as the humanitarian toll from the Russian invasion grows, Alabama's Senate passes important changes to its constitution, and more.
23:59
The Russian invasion of Ukraine continues as a second attempt at a ceasefire fails and refugee numbers grow — a look at the situation on the ground and how the war is playing out globally.
56:45
Friday on the NewsHour, as Russian forces close in on Kyiv and Ukrainians struggle to repel the invasion, "PBS NewsHour" talks to the head of NATO about the West's response.