What drives the emergence and disappearance of species? By modeling the fundamental processes of evolution and ecology on geographical scales, new research spotlights topography and climatic shifts.
The impact of Venezuela's medical crisis is not gender-neutral.
In the most peaceful election in their modern history, Colombians have elected as their next president a conservative who will renegotiate the country's fragile 2016 accord with the FARC guerrillas.
The Colombian government has learned the hard way that simply explaining a complex deal to people won't win them over.
Venezuela has freed 79 political prisoners in recent months, to global plaudits. But the hard-line regime has also charged 100 military officials with conspiracy. Does President Maduro fear overthrow?
Maduro's landslide May 20 re-election marks the official death of democracy in Venezuela. Dozens of nations worldwide have declared the vote illegitimate, and the US imposed new sanctions.
As reports of crimes against humanity mount, Colombia's post-conflict justice system is still moving desperately slowly.
The Venezuelan opposition is asking people not to vote in the country's May 20 election, which they call a 'farce.' President Maduro regime has jailed or blacklisted most of his competitors.
Leftist former President Lula da Silva is the clear favorite in Brazil's 2018 presidential race, leading his closest rival — a firebrand conservative — by 15 points. The only problem: He's in jail.
Paraguay's conservative president-elect Mario Abdo narrowly won the April 22 election. His father was the private secretary for dictator Alfredo Stroessner, who brutally ruled Paraguay for 35 years.
Black lives in Brazil are devalued and subject to violence on a horrific scale.
Can South America's biggest democracy run properly with a broken, corrupt political class seemingly unable to reform?
One of Colombia's most beautiful areas, El Cocuy National Natural Park was for years too dangerous to visit. No more.
Some of the crucial mechanisms meant to deliver peace in Colombia have yet to be set up.
By resorting to all means necessary, Nicolás Maduro's government has clawed its way back from the brink of collapse.
South Africa has some of the highest mobile voice and data costs in the world. A project to deliver affordable services and keep money in communities with high unemployment rates could be the answer.
After the Maduro regime won Venezuela's recent gubernatorial elections, results are contested, people are desperate and the opposition has fractured. Can the resistance survive this setback?
Guyana is on the verge of an oil bonanza that could bring in US$1 million a day. But if it's not careful, this poor nation – population 750,000 – could fall prey to the dreaded 'resource curse.'
The disappearance of Santiago Maldonado in Argentine Patagonia is part of the global conflict between the forces of capital and indigenous rights.
It seems the culprits in a "cash-for-kills" scheme that claimed thousands of lives might find a way to wriggle out of the peace process.