A new review of research suggests that some of the earliest humans outside of Africa lived some 75,000 to 100,000 years ago on a once-fertile landmass that is now submerged under the Persian Gulf.
Some believe Pope Benedict XVI is 'the greatest scholar to rule the church since [Pope] Innocent III," in the 13th century. Child-abuse scandals have marred his tenure.
The Vatican tries to clarify laws on women priests and clergy abuse after critics were outraged by inclusion of women's ordination on a list of grave crimes.
The first successful DNA testing of Egyptian mummies -- including on that of King Tut -- sheds light on what caused the boy king's death, and what led to his problems in life.
Column: Old bear genes may sound like a waste of time, but it’s a down payment on human research.