Braving perilous Drake Passage to Brazil's Antarctic base

Furious ten-meter waves and icy, tempestuous gales await those intrepid enough to navigate Drake Passage, the crossing from the tip of South America to Antarctica seen by seafarers as one of the world's most dangerous voyages.

US moves to push global trade deal on green goods

The United States said Friday it was planning to begin negotiations with other leading trading countries for a deal to cut tariffs for green goods like solar panels.

Pollution muddies Rio 2016 waters

Waters polluted by sewage off the coast of Rio remain a concern for organisers of the 2016 Olympics, but the International Olympic Committee insisted Friday that the sea will be safe for competition.

Obama reassures Internet CEOs on tech privacy

President Barack Obama sought Friday to assure leading Internet and tech executives that his administration is committed to protecting people's privacy, a week before a self-imposed deadline for a review of National Security ...

How astronauts survive diplomatic tensions in space

While the United States and Russia traded sanctions this week in a burgeoning crisis over Crimea, astronauts from both nations rose above the discord in their sanctuary hundreds of miles from Earth.