People who go to prison keep one important right — to file a grievance over their treatment: from abuse to denied medical care. But in the vast majority of cases, those efforts go nowhere, according to an analysis of federal data by The Marshall Project and NPR.

Iran's control of the Strait of Hormuz inflicted global pain during the months-long conflict with the U.S. and Israel. A tentative deal is in place, but questions remain about the key waterway.

It's an unusual sight before a World Cup match: Supporters of opposing teams partying together, calling each other "brother," some even hoping for a draw. But fans say they're far from rivals.

An El Niño has formed amid the warmer-than-normal waters in the tropical Pacific. Now it's a question of how intense the phenomenon will be and where effects like heat and drought will strike.

Rebecca Simonitsch had just learned she might be a candidate for brain surgery. The man seated beside her on the flight home pulled out a notebook to explain what lay ahead.