One bird we tagged flew for 172km without a single flap.
Argentina's new President Alberto Fernández has no easy option to address yet another crisis.
Ferdinand Magellan coined the fantasy-inspired term "Patagonians" to describe the indigenous peoples he met. It gave rise to the region's name.
Labour can use networks to create public pressure to protect workers' rights.
The predatory flatworm Obama nungara travelled in potted plants from Argentina to Europe, where it's distrupting soil ecosystems. Now, citizen-scientists are helping map their distribution.
The new government of Alberto Fernandez must now deal with Argentina's least favourite international organisation.
Most countries manipulate their currencies – at least a little – but at the moment that's not the real reason they are undervalued relative to the dollar.
In the last century, several South American countries faced coups, military dictatorships and social uprisings. Despite economic improvements in recent years, the continent remains mired in unrest.
Alberto Fernández has been elected as Argentina's new president, defeating Mauricio Macri, who was punished for his economic record.
Argentina has voted for change. Alberto Fernández, a 60-year-old lawyer, defeated President Mauricio Macri with a campaign emphasizing economic recovery, social inclusion and national unity.
Populism has a long history in Argentina, tied to the legacy of Juan Perón. Where does Alberto Fernández fit in?
Progressives are leading in the presidential elections of Argentina, Uruguay and Bolivia, bucking the region's recent rightward trend. But there are lessons in the failures of leftists past.
Meet the unsung aid workers who put their lives on the line during war and natural disaster to make sure the dead are treated with respect – and that their grieving families get closure.
The primary results confirm the end of the austerity project but this is not enough to solve Argentina's fundamental problems.
The leader of the centre-left Frente de Todos alliance won a surprise victory in primary elections in August.
Uber's expansion has become a global epic with regional episodes, but the legal conflict in Argentina has even higher stakes.
Plenty of Western officials and media outlets have criticized Libra – but it's not meant for them.
Domestic workers in Argentina are essentially women employed in the informal economy which can enable forms of mistreatment. Today they’re fighting to formalise their status.
Traveling death squads. Sadistic torture techniques. Stolen babies. The US helped it all happen by aiding Argentina's military regime in the 1970s, according to newly declassified documents.
President Trump has been attacking the Federal Reserve for months and appears intent on nominating political allies to its board. An economist explain what typically happens next.