The FDA approved the first drug shown to slow down Alzheimer's. The Biden administration will send controversial cluster bombs to Ukraine. A study estimates PFAS is in nearly half of U.S. tap water.

A new government study estimates that at least 45% of the nation's tap water could be contaminated with one or more forms of PFAS. Here's what to do if you're worried about what's in your faucet.

Munich's main synagogue was one of the first to be destroyed in Nazi Germany, under Hitler's orders. No one knew what had become of the rubble — until construction workers made a discovery last week.

DeSantis' campaign shared a video that attacked Trump for his support of LGBTQ rights, prompting widespread backlash. Both candidates have rolled back protections for trans and gay people in office.

Joby Aviation said this week that it got the green light to flight test its factory-made air taxi, which it hopes to launch commercially in 2025. It's one of several companies reaching for the skies.

Chicago saw its air quality plummet, while other cities including Detroit, Milwaukee and Pittsburgh were experiencing unhealthy air quality levels.

Smoke from Canadian wildfires is smothering U.S. cities like Detroit, Chicago and Pittsburgh. Air quality warnings are in effect across the Midwest as officials warn of hazardous conditions.

Chris Gloninger, a TV news meteorologist in Iowa, got harrassing emails and a death threat over his coverage of climate change. Now he's leaving the industry to tackle climate change head-on.

The Titanic director has made 33 dives to the shipwreck and visited ocean depths in a submersible he built himself. He compares OceanGate to the Titanic in that both ignored safety warnings.

Stockton Rush, OceanGate's CEO and the pilot on its missing sub, is married to the great-great-granddaughter of Ida and Isidor Straus. Their story inspired an iconic scene in James Cameron's movie.

Experts from within and outside OceanGate worried about the safety and development of the Titan as far back as 2018, years before its inaugural dive. One tells NPR its disappearance isn't a surprise.

An international mission rescued both occupants of a sunken submersible off the coast of Ireland in 1973 with just 12 minutes to spare. The men had spent three days in darkness and silence.

Retired U.S. Navy submarine Capt. David Marquet says crews would need to locate the vessel then bring it to the surface to unlatch it. He puts the odds of passengers' survival at "about 1%."

Kim, who sits on the House China panel, disagrees with its chair's characterization of the rivalry. He hopes that Secretary of State Antony Blinken's visit will mean more regular talks with China.

Louisiana's Fort Polk became Fort Johnson, the latest Army base to replace its Confederate name. It now honors a soldier who earned a Medal of Honor a century after the night that made him a hero.

Michigan State law professor Justin Simard says 18% of all published American cases are within two steps of a slave case. His team has spent years documenting them, hoping to force a legal reckoning.

Former president Donald Trump turns 77 on Wednesday. He's celebrated his most recent birthdays on the golf course and in the White House — but is also no stranger to lavish bashes.

John Bolton says the indictment is a "potentially catastrophic turn of events" for Trump. He spoke to Morning Edition about the seriousness of the charges and the importance of accountability.

The Justice Department special counsel has unsealed the indictment against the former president. The 37 charges against Trump include obstruction and unlawful retention of defense information.

Millions of Americans are under air quality alerts as wildfires burn in Canada. Experts say the weather pattern could change by early next week, and stress the need to take precautions until then.