Mossack Fonseca’s office in Panana. The firm has branches in Hong Kong, Miami, Zurich and more than 35 other places around the globe . The firm is one of the world’s top creators of shell companies, corporate structures that can be used to hide ownership of assets.

A massive leak of documents exposes the offshore holdings of 12 current and former world leaders and reveals how associates of Russian President Vlad(...)

Mossack Fonseca’s office in Panama: Files show client roster that includes drug dealers, Mafia members, corrupt politicians and tax evaders - and wrongdoing galore

Mossack Fonseca & Co. had a problem in Vegas. Legal papers filed in U.S. District Court in Las Vegas claimed that the Panama-based law firm had(...)

US president Barack Obama with his Argentinian counterpart Mauricio Macri at the Casa Rosada presidential palace in Buenos Aires on Wednesday. Photograph:  Natacha Pisarenko/AFP/Getty Images

US president Barack Obama met Argentina’s new centre-right leader Mauricio Macri on Wednesday on a visit to reset diplomatic relations and strengthen (...)

A state worker protests in Plaza de Mayo square in Buenos Aires. Argentina’s president Mauricio Macri is facing unrest as workers protest at rocketing inflation and job cuts. Photograph:  Marcos Brindicci/Reuters

After more than a decade of torturous and often acrimonious negotiations, Argentina looks finally to have reached a deal with holdout creditors that p(...)

Outgoing Argentina president Cristina Kirchner delivers a speech to supporters in front of Casa Rosada presidential residence in Buenos Aires. Photograph: EPA

Tens of thousands of supporters filled Argentina’s most famous square to say goodbye to president Cristina Kirchner, who lauded her government’s achie(...)

Supporters of the victorious presidential hopeful of the Cambiemos party, Mauricio Macri celebrate his win in downtown Buenos Aires on November 22, 2015. Photograph: Emiliano Lasalvia/AFP/Getty Images

Conservative opposition challenger Mauricio Macri won Argentina’s presidential election on Sunday, bringing to an end more than a decade of free-spen(...)

Opposition presidential candidate Mauricio Macri votes during the runoff presidential election in Buenos Aires, Argentina, Sunday. Photograph: Natacha Pisarenko/AP

Argentines voted on Sunday in a run-off election that hands the centre-right opposition, led by Mauricio Macri, its best chance in more than a decade (...)

Argentina’s outgoing president Cristina Fernández de Kirchner: there is a possibility she will have to fight corruption charges. Photogrpah: Marcos Brindicci

A visit to the dreary cemetery of Río Gallegos leaves little doubt as to the hero of this windswept Patagonian town, where bleak open spaces rise t(...)

US holders of defaulted Argentine bonds have stepped up their campaign for full repayment of their loans by detailing how 14 senior Argentine official(...)

A woman holds up an image of Alberto Nisman at his funeral in Buenos Aires. The Argentinian public prosecutor died in mysterious circumstances the day before he was to testify about allegations against the president. Photograph: Marcos Brindicci/Reuters

When he ran to be its president back in 2003, Néstor Kirchner promised to transform Argentina into “a serious country” if elected. He said he wanted a(...)