Human Immundefekt Virus

Older adults who drank coffee -- caffeinated or decaffeinated -- had a lower risk of death overall than others who did not drink coffee, according a new study.

Researchers have detected a possible planet, some 1,500 light years away, that appears to be evaporating under the blistering heat of its parent star.

Scientists have developed and validated a more accurate method for predicting the interaction energy of large molecules, such as biomolecules used to develop new drugs.

A large survey of human genetic variation shows that rare genetic variants are not so rare after all, and offers insights into human diseases.

Findings suggest that the effects of exercise on memory depend on the age of the exerciser; underlying genetic mechanisms matter, too.