Breast cancer patients who pray in online support groups get mental health benefits through reduced stress, a new study finds.

Authorities were trying to identify a mysterious metallic object that crashed through the roof of a house in eastern New Jersey.

A resurgent El Nino and persistently high levels of greenhouse gases are likely to make 2007 the world's hottest year ever recorded, British climate scientists said Thursday.

Italian scientists believe they have uncovered a 400-year-old murder. Historians have long suspected that Francesco de' Medici, Grand Duke of Tuscany, and his second wife Bianca Cappello did not die of malaria but were poisoned ? probably by Francesco's brother, Cardinal Ferdinando de' Medici, who was vying for the title.

Catching a wave is safer than you think, dude, a new study suggests.

A mini-baby boom last year has pushed up the number of pandas bred in captivity in China to 217, state media said Wednesday.