When North American leaders get together, it's often called the "Three Amigos" summit. This year it's a friendly gathering, and one sign of cooperation is a continent-wide push for more clean energy.
Scientists are making impressive progress in creating a vaccine for Zika. And they're using a new technology that makes vaccine development faster than ever.
The Olympic Games are less than six weeks away and all eyes are on Rio de Janeiro as the city tries to manage its busiest summer in recent memory. Linda Wertheimer talks to Sidney Levy, Rio 2016 CEO.
Linda Wertheimer talks to Miguel Martinez Meucci, a college professor in Caracas, about food and medicine shortages and other aspects of daily life during Venezuela's economic crisis.
But fans hope Messi will rethink his declaration of "I think it's over" once the wave of postgame frustration at Argentina's 4-2 loss to Chile in Sunday's Copa America final has passed.
Troubled by delays and more than a billion dollars over budget, the new Panama Canal took more than a decade to build. Can the project payoff amid a changing and slumping shipping industry?
After about a decade of construction and a $5 billion price tag, a new, bigger canal has opened in Panama. It's been a source of national pride for Panamanians.
Venezuela is in crisis as inflation worsens and many grocery stores are empty, triggering riots. Daniel Lansberg-Rodriguez of the Venezuelan newspaper El Nacional explains how it reached this point.
The Venezuela crisis has been creating a diaspora, as young educated Venezuelans move abroad for better opportunities. Maria Alesia Sosa is one of those. She's now a journalist in Miami.