Security expert Bryan Stern warns the first 48 hours are critical for rescuing an American Christian missionary kidnapped in Niger near ISIS-controlled areas....

A kayaker says her peaceful ride through Silver Springs State Park was interrupted last week when a group of rhesus macaques began leaping from the surrounding trees into the water around her. Dave Ma...

The results of a clinical trial published last month targeted breast cancer "sleeper cells," which are cells that break away from the main tumor and can resurface later to spread cancer thro...