Sailors at the 2016 Olympics in Rio de Janeiro will be protected by a fleet of special trash collecting boats, organizers said Thursday, admitting there is no time to resolve a serious pollution problem.
A protein that is necessary for the formation of the vertebrate brain has been identified by researchers at the Harvard Stem Cell Institute (HSCI) and Boston Children's Hospital, in collaboration with scientists from Oxford ...
Fish continued to die by the ton Thursday in a Rio de Janeiro lake that's slated to host Olympic rowing events, while city authorities and biologists argued about the cause of the die-off.
Authorities in Brazil have got hold of a valuable Twitter account to publicise next year's Rio Olympics, after a humble Spanish shoeshine man surrendered the rights to it for free.
Residents of a Rio de Janeiro favela face a dangerous challenge in their quest for clean drinking water: a canal infested with hungry caimans, South America's alligator cousins.
A smartphone app designed to give early warning of earthquakes could be ready as early as next year, according to scientists at the World Science Forum in Rio de Janeiro.
Guanabara Bay in southeast Brazil is pictured in this image from the Sentinel-1A satellite.
This year's World Cup will play out on Twitter, Facebook, Instagram and messaging apps like WhatsApp just as it progresses in stadiums from Sao Paulo to Rio De Janeiro.
Brazil will not make good on its commitment to clean up Rio de Janeiro's sewage-filled Guanabara Bay by the 2016 Olympic Games, state environmental officials acknowledged in a letter obtained Saturday by The Associated Press.
Brazilian paleontologists Taissa Rodrigues, of the Federal University of Espirito Santo, and Alexander W. A. Kellner, of the National Museum of the Federal University of Rio de Janeiro, have just presented the most extensive ...