Reports of an abduction in Brazil are sending shock waves through the sporting world, as the mother-in-law of the billionaire who runs Formula One is apparently being held for ransom.
You can't follow everything in Rio, but you want to catch the highlights. Here's a guide to the American athletes and events likely to produce the most memorable performances.
"This is not only a first in the history of aviation; it's before all a first in the history of energy," Swiss pilot Bertrand Piccard says. His plane flew more than 26,700 miles without using fuel.
The accused former employee of the mental health facility told police, "It's better that the disabled disappear," Japanese media report.
The legendary Cosmo editor, subject of two new biographies, knew sex sells – and food brings in ad money. She cannily combined them with features like "After Bed, What? (a light snack for an encore)."
DNC officials, congressional leaders and even the icons of the party's progressive wing were subjected to jeers, catcalls and chants from an element of the audience on the convention's first day.
More students are getting affordable payments, a new report says. But they might not be the ones who really need it.
Outside the convention arena in Philadelphia, protesters unwilling to give up on Bernie Sanders' candidacy weathered a heat index that local officials say reached 109 degrees.
Bernie Sanders and Elizabeth Warren had the headline speaking roles. But for many, Michelle Obama stole the show. A look at highlights from the opening night at the Democratic National Convention.
As leaked emails from the Democratic National Committee rock that party's convention this week, federal law enforcement officials are investigating the hack and whether it was orchestrated by Russia.
As the convention started, Bernie Sanders supporters were in an uproar over leaked emails. Their protests spilled onto the convention floor. But Sanders gave a strong endorsement of Hillary Clinton.
Now that there are better treatments for hepatitis C in adults, doctors hope the drugs soon will be approved for use in children who were infected at birth. But many at-risk infants don't get tested.
Journalists, dissidents, human rights workers all tell stories of being followed and harassed by Russia's security services. They range from the comical to the frightening.
Climate change is affecting what's in Mesa Verde National Park that visitors see. Over the last decade, scorching wildfires have destroyed archaeological artifacts — and have also revealed new ones.
At the Democratic convention, the first lady said the election is about making a better future for the children. Hillary Clinton is the only candidate "who I trust with that responsibility," she said.
An oil slick has forced the city of Prince Albert, Saskatchewan, to shut down its water treatment plant, after a pipeline dumped tens of thousands of gallons into the North Saskatchewan River.
Verizon's purchase of Yahoo will close the book on one of the oldest Internet companies. What happened to the other famous 90s brands, like GeoCities, Netscape and CompuServe? A nerdy remembrance.
Thousands of activists, including many supporters of Sen. Bernie Sanders, are joining Democratic National Convention delegates in Philadelphia to protest.
Police officer Montrell Jackson was buried today. He was one of three law enforcement officers killed over a week ago in Baton Rouge, La.
A key question for Democrats as their party convention opens is how strongly they'll unite behind their presumptive nominee Hillary Clinton. Her former rival Bernie Sanders speaks Monday night.