John Otis

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.

Bandits on motorcycles secretly spread sharp objects on the road to puncture car tires. Then, they offer to lead marooned motorists to nearby mechanics suspected of being in on the con.

In Colombia, drug gangs are waging a new kind of war — by air. Armed with cheap drones, they're targeting rivals in a dangerous escalation.

In Colombia, former soldiers accused of atrocities during the country's guerilla war are helping to locate and exhume remains of their civilian victims.

The dismantling of USAID has had a significant impact on the projects that may actually serve to discourage illegal immigration to the U.S.

As Venezuelan President Nicolás Maduro claims an unverifiable victory, anti-government protests there grow.

About 7.7 million Venezuelans have fled to escape poverty and political turmoil -- about one-fifth of the country's population. It's now a potent issue in Venezuela's presidential election.

Even though COVID-19 deaths are spiking and the country is climbing out of a deep economic downturn, the president has proposed new taxes. Colombians are defying restrictions by protesting.

The country is the top flower exporter to the U.S. When the pandemic hit, farmers feared they'd have to destroy flower beds and lay off thousands of workers. Here's why that didn't happen.