WASHINGTON, (Reuters) – A dirty-looking, commercially worthless brown diamond found in Brazil is yielding priceless information about the composition of a layer deep inside our planet. The diamond contained a mineral called ringwoodite that entrapped a significant amount of water, an inter...

UNITED NATIONS -- Delivering a harsh indictment of U.S. cyber-surveillance, Brazilian President Dilma Rousseff on Tuesday called on the United Nations to get involved with helping nations safeguard themselves from cyber-snooping by other countries. “Information and telecommunication technologi...

BRASILIA, (Reuters) – Brazil has canceled a trip by an advance team to Washington to prepare for a visit by President Dilma Rousseff that might be called off after revelations the United States spied on her private communications. Brazil’s presidential palace said yesterday it canceled ...

BRASILIA (Reuters) – Brazil assailed the United States yesterday after new allegations that Washington spied on President Dilma Rousseff, complaining that its sovereignty may have been violated and suggesting that it could call off Rousseff’s planned state visit to the White House next m...

RIO DE JANEIRO,  (Reuters) – Brazilian government figures released yesterday indicated further rise in deforestation in the Amazon, a trend that could soon amount to a full year’s reversal from recent progress in the battle against destruction of the world’s largest rainforest...

SÃO PAULO, Brazil — President Dilma Rousseff of Brazil proposed a series of bold changes to the country’s political system on Monday, including convening a constituent assembly apparently aimed at overhauling Congress and campaign-finance methods, in an effort to assuage the conce...

It’s an odd spectacle. Traditionally, Brazilians take to the streets only during Carnival. Now they do it to protest. What has happened? It all started after the fares for public transportation were raised, but that was just an excuse. There was more to it. The profound truth is that much of ...

SÃO PAULO, Brazil — Another round of demonstrations unfolded in cities throughout Brazil on Saturday, after many in the country’s sweeping protest movement angrily dismissed an effort by President Dilma Rousseff to address their broad demands. The protests largely lacked the inte...

GEORGETOWN, Guyana - There is not a lot in Brazil that is more important than football but on Wednesday, not even Brazil’s victory over Mexico in the Confederation Cup could divert attention from the wave of protests that have shaken the country this week. Indeed, the news that the authorities...

SÃO PAULO, Brazil — Just a few weeks ago, Mayara Vivian felt pretty good when a few hundred people showed up for a protest she helped organize to deride the government over a proposed bus fare increase. She had been trying to prod Brazilians into the streets since 2005, when she was onl...