NASA aims to make history Monday by ramming a spacecraft into an asteroid - to deflect its trajectory. The test is meant to defend against possible future asteroids on a collision course with earth.

Fiona made landfall as a hurricane-strength post-tropical cyclone, causing widespread damage in five provinces and leaving more than 250,000 people without power.

NPR's Ayesha Rascoe talks to Harvard disinformation expert Joan Donovan about memes and how they've come to play, at times, a dangerous role in today's divisive political climate.

Scientists have found a mineral stronger than diamond. They say lonsdaleite could be used to fortify industrial tools like drill bits and saw blades - AND teach us about the evolution of earth.

NPR's Ayesha Rascoe talks with Rutgers professor David Noll about the rise of laws with citizen enforcement - passed mainly by Republican-controlled state legislatures.

NPR's Ayesha Rascoe speaks with Sudan Archives about her sophomore album, "Natural Brown Prom Queen."

NPR's Ayesha Rascoe talks with South African actress Thuso Mbedu about her role in "The Woman King," a new movie about woman warriors in 19th century West Africa.

NPR's Ayesha Rascoe talks with reporters Susan Glasser and Peter Baker. Their new book about former President Donald Trump probes his White House years for lessons about America's political future.

NPR's Ayesha Rascoe talks with ESPN's Chris Fowler about what the retirements of two tennis stars, Serena Williams and Roger Federer, mean for the sport.

NPR's Ayesha Rascoe speaks with Felipe Sousa-Lazaballet, executive director of HOPE Community Center near Orlando, which helps newly arrived migrants in Florida.

A look at how Republicans and Democrats are framing the story of migrants sent from Texas to Massachusetts - and what it reveals about the divide preventing immigration solutions.

NPR's Ayesha Rascoe speaks with author Randall Munroe about his new book, "What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions."

Retailers have been complaining that credit card companies have the upper hand - charging them "swipe fees" when customers use cards. A bipartisan bill is in the works that could change that dynamic.

NPR's Ayesha Rascoe speaks to Nsikan Akpan, health and science editor at WNYC/Gothamist, about the poliovirus emergecy disaster declaration in New York state.

Schools have been looking for ways to support student mental health needs, and COVID relief dollars made a lot of that possible. We look at what that looks like one school in Oakland, California.

NPR's Ayesha Rascoe speaks with journalist Rachel Aviv about her book, "Strangers to Ourselves: Unsettled Minds and the Stories that Make Us." It explores the lives of six people with mental illness.

NPR's Ayesha Rasco talks to journalist Gustavo Faleiros about the deforestation of the Amazon and how the results of Brazil's presidential election could affect it.

We are following the procession in Scotland, where Queen Elizabeth II's coffin is moved from Balmoral Castle to Edinburgh, where she will lie in state.

Vanessa Perry, nonresident fellow at the Urban Institute Housing Finance Policy Center, talks to NPR's Ayesha Rascoe about new "zero-down" mortgages for first-time Black and Hispanic homebuyers.

We take a look at the battle between state courts and legislatures on who sets election rules, as well as the pending Senate vote on a same-sex marriage bill.