Human bodies have a natural cooling system, but it can do only so much in high temperatures and humidity. Here's the science behind how heat kills. And how to protect yourself.

Leo's Iberia charter, due to take him back to Rome after a weeklong visit to Spain, was grounded by a technical problem Friday, prompting Spain's king to offer his private jet instead.

President Trump said Friday that a U.S. strike has killed Hector Rusthenford Guerrero Flores, whom he called "the infamous leader" of the Tren de Aragua gang in Venezuela.