John Otis

The ousting of Venezuela's president raised hopes of change — but the politician now controlling the streets shows how little has really shifted.

Venezuela has freed a handful of detainees in what it calls a gesture of national unity. Rights groups say releases are slow and the country's repressive system remains in place.

María Corina Machado was slated to receive her Nobel Peace Prize Wednesday, but the Venezuelan opposition leader, who has been in hiding, will not attend the ceremony.

As María Corina Machado is set to receive the Nobel Peace Prize, the Venezuelan opposition leader is betting everything on her prediction of an imminent political transition.

As tensions between the U.S. and Venezuela continue to intensify, some U.S. lawmakers are concerned at least one of President Trump's boat strikes in the Caribbean Sea may have been a war crime.

Venezuela's President Nicolás Maduro has survived U.S. sanctions, economic meltdown and widespread protests. Now he faces a U.S. armada off his country's coast, so how does he hang on to power?

A series of deadly U.S. strikes on alleged drug trafficking boats in the Caribbean has set off a fierce clash between President Trump and his Colombian counterpart over aid, trade and accountability.

Known as the mother of Colombian corals, at 70, marine biologist Elvira Alvarado is still diving — and pioneering "coral IVF" to help save endangered reefs.

Colombia's only Amazon port town could soon be cut off from the river that keeps it alive. As drought and a shifting river spark a tense border dispute with Peru, locals are scrambling to adapt—and politicians are raising flags, literally.

Days after sending U.S. gunboats to South American waters, President Trump said the U.S. Navy struck a vessel in the southern Caribbean carrying what he described as a Venezuelan drug shipment.