Science

U.K. scientists say arthroscopic surgery to remove bone spurs or bits of ragged tissue in sore shoulders offered no more pain relief than than sham surgery in their randomized test.

Researchers looked at hospital visits in Sweden's public health care system and checked them against dog registration records. They found dog owners had lower rates of heart disease.

European weather sites posted imagery showing the swirling wind patterns and a waterspout over the Mediterranean. The low pressure system shared characteristics of tropical cyclones.

Researchers took temperature readings in Nairobi's biggest slum during the summer and compared it to readings from a weather station half a mile away. There definitely was a difference.

Science will one day explain visual perception and memory loss. But will it also explain romantic love and morality? Tania Lombrozo considers people's beliefs about what science can and can't explain.

When a child suffers a concussion, it's very hard to tell if the brain injury will cause long-term problems. An experimental test that looks for bits of genetic material in spit might help.

The Nebraska Public Service Commission voted 3-2 on Monday to approve the controversial pipeline — albeit not on the route preferred by TransCanada, the company behind the Keystone XL.

The recent drought in the West forced people to take a hard look at how they use water. In Colorado, some farmers tried an experiment: make their water more expensive without hurting business.