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PBS News Hour
How light pollution makes seeing the stars more difficult
Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages vital scientific work. In Britain, the government is also being urged to impose new planning regulations to reduce light pollution to stop the loss of the nation’s dark skies. Malcolm Brabant reports.
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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.
56:43
April 7, 2022 - PBS NewsHour full episode
26:39
Ukraine's President Zelenskyy says Russia engaged in genocide following shocking images of civilians killed outside Kyiv.
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Joe Biden speaks out against the war while in Poland today as Russian airstrikes of Ukrainian cities continue.
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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.
56:42
Russian airstrikes bombard Ukraine as ground forces advance on the nation's capital, and elsewhere, forcing civilians to flee for their safety.
56:41
Wednesday on the NewsHour, the U.S. warns Russia is prepared to launch a full-scale invasion as Ukrainian forces mobilize for a possible war.
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Monday on the NewsHour, Russia's leader Vladimir Putin orders troops to eastern Ukraine after recognizing two separatist regions as independent.
56:45
President Biden says war in Ukraine will come soon as the U.S. blames Russian-backed separatists for inflaming conflict in eastern Ukraine.