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PBS News Hour
Scientists race to learn how marijuana affects the brain
As national attitudes and laws around cannabis use have evolved, so have the commercially grown strains of the plant. Some marijuana varieties today contain levels of THC, the drug’s psychoactive compound, as high as 50 percent, compared to around 5 percent a generation ago. But as science correspondent Miles O'Brien reports, the effects of cannabis on the human brain are still relatively unknown.
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Israel's Prime Minister says the intense phase of the war in Gaza will end soon as Israel and the U.S. argue over weapons deliveries.
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After Claudia Sheinbaum becomes the first woman to win Mexico's presidential election, a look at what that means for U.S. relations.
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"PBS NewsHour" asks NATO’s Secretary General if the delayed U.S. aid to Ukraine is too late to make a difference.
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A court rejects Trump's claim of immunity with major implications for his election interference case.
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Why a record number of people across America are experiencing homelessness this holiday season.
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How some cities are testing no-strings-attached payment programs as a way to help lower-income residents get a leg up.
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Hunter Biden's plea deal unravels over concerns about whether future charges can be brought against the president's son.
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Floodwaters rage and dangerous heat waves grow worse, posing serious risks to millions of Americans.
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NATO leaders kick off a multi-nation summit with Ukraine seeking a path to join the expanding alliance.
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A federal judge limits the Biden administration's contact with social media companies over concerns about censorship and free speech.