Researchers retrieved reef monitoring devices that had been placed in deep coral reefs in Guam. The devices were placed up to 330 feet below the surface.

The European Union's ambassador to the U.S. argues that Europe's latest financing move strengthens Ukraine's hand at a fragile moment in peace negotiations.

Cartagena, Colombia, is set to ban its iconic horse-drawn carriages, replacing them with electric buggies — a move dividing the historic city over tradition, tourism, and animal welfare.