(Corrects headline to remove 'U.S.-backed aid group' and corrects paragraphs 1 and 2 to reflect that while the document bears ...

Lula’s personal approval ratings hover around 40%, the lowest at any point during his three terms. Only 28% of Brazilians say ...

The U.S. has one of the world’s most advanced systems to monitor air pollutants. Can it keep up with a changing climate?

Ogura can still remember that terrible morning in August, 80 years ago. Her older brother, who later died of cancer from ...

A chilling new map has been released, showing the devastating effects of a large-scale nuclear attack on the United ...

A new study identified hot spots of sinking levees that will need to be prioritized for maintenance to withstand future ...

Fighting it out over the Arctic, with the vast resources of the Arctic, is going to be the new great game of the twenty-first ...

Kerr County, Texas and national search and rescue operations will continue Monday around the Guadalupe River, where families ...

Nearly 150 new Florida laws went into effect July 1 and some of them make big changes you need to know. Here's the list.

The Comanche National Grassland rewards visitors with the chance to follow dinosaur tracks and feel the spine-tingling thrill ...

In April of that year, patients started appearing at hospitals in the industrial city of Sverdlovsk, now known as ...