The Pentagon is rethinking America's nuclear weapons strategy – including lowering the barrier for their use in the battlefield. Why national security analyst Joe Cirincione says this could spark a new nuclear arms race.

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Social media. Streaming. Swiping. Today, it's normal to reach for our phones when we're bored. But researchers say passive boredom like scrolling is not the kind of boredom that sparks creativity. How can we reclaim boredom in the digital age?

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An ever-warming world, rising sea levels, shrinking glaciers — it’s easy to despair over the climate crisis. But scientist Tim Lenton says not every tipping point leads to doom.

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Historian Beverly Gage hit the road to learn about our country's history. She visited more than 300 historic sites -- from museums and battlefields to roadside attractions. What she learned about how America honors its history.

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Old voters dominate the ballot box in local, primary, and at times, national elections. They ensure issues like Social Security and Medicare drive the national conversation. How strong is this group's sway on electoral politics in the U.S.?

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On Point news analyst Jack Beatty on why the Bulletin of the Atomic Scientists has set its Doomsday Clock at 85 seconds to midnight, its highest estimate of the likelihood of global catastrophe.

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The UK abolished the slave trade more than 200 years ago. But the wealth it created still shapes the country today. A new database reveals the businesses, families and monarchs enriched by slavery. And it’s forcing a reckoning in the UK that's long overdue.

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El Niño has become an annual global climate phenomenon. But this year, scientists are warning of a record-setting 'super' El Niño. What that could mean for the weather everywhere on planet earth.

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