A second round of US-Iran talks is set for Islamabad as a ceasefire nears expiry and tensions rise over a maritime blockade...

A USC-led study suggests a surprising link between diets high in fruits and vegetables and lung cancer in younger non-smokers. Researchers hypothesize that pesticides may be a factor....

Nancy Guthrie case: The FBI is testing a hair sample from her Tucson home, and Astrea Forensics, the lab behind the Gilgo Beach killer DNA breakthrough, may be involved....