Fr. Raymond Helmick is a copious correspondent. For the past three years, the Jesuit priest has written nearly 20 letters to Khalid Mishal, founder and political leader of the Palestinian movement ...

Personalities come in all kinds. Now psychological scientists have found that the size of different parts of people's brains correspond to their personalities. Personalities come in all kinds. Now ...

Barbie once could only stand on her tip toes, in tiny high heels. Her job? To look pretty. A new study finds there's a correlation between flatter-footed Barbies and more job choices. UNIDENTIFIED ...

Stony corals that build reefs have been hiding their diversity in plain sight. A genetic analysis of the most widespread reef coral in the Indo-Pacific revealed that rather than being a single ...