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NASA will launch a scientific instrument into space next month to measure the salt content of the world's oceans, information that could help confirm scientists' suspicions that climate change is accelerating the world's water cycle. The instrument, Aquarius, will launch June 9 as part of a joint mission between NASA and Argentina's space agency. [More]

Tournaments on three continents this week could go a long way toward deciding who gets in the U.S. Open

By Andrew Quinn WASHINGTON (Reuters) - Leaders of Arctic nations gather in Greenland this week to chart future cooperation as global warming sets off a race for oil, mineral, fishing and shipping opportunities in the world's fragile final frontier.

By Andrew Quinn WASHINGTON (Reuters) - Leaders of Arctic nations gather in Greenland this week to chart future cooperation as global warming sets off a race for oil, mineral, fishing and shipping opportunities in the world's fragile final frontier. [More]

Ernie Els followed the trail of South African idol Gary Player by winning golf tournaments all over the world, a journey that took him all the way to the World Golf Hall of Fame.

By Stanley Carvalho ABU DHABI (Reuters) - Renewable sources such as solar, wind and hydropower could fulfill almost 80 percent of the world's energy demand by 2050 with the right policies, according to a U.N. report which won backing from governments on Monday.

Dr. Jennifer Ashton says illness brought to U.S.

De-stress in a brewery, a prison, even underwater — the world's strangest spas are in the last places you'd look.

A joint study by academics in Switzerland, Germany and at Boston University sheds new light on the formation of financial bubbles and crashes.

Last week, French oil and gas giant Total spent an attention-grabbing $1.4 billion for a majority stake in U.S solar company SunPower .

Ballengee: Lee Westwood is No. 1 in the world despite never winning a major. Is that so bad?

On April 26, 1986, the world's worst nuclear disaster took place. How has the area recovered, and what lessons does it hold

PGT: Luke Donald's missed chip at the Heritage gives Lee Westwood the overall No. 1 ranking in the world again.

By Daniel Cressey of Nature magazine The environmentally friendly version of polythene might not be so friendly after all.

By Sid Perkins for Nature magazine Beginning in late 2004, a flurry of massive, tsunami-spawning earthquakes have rocked the world, first slamming Indonesia, then Chile and most recently Japan. [More]