Precise combination of factors create Okla. killer tornado with power of many Hiroshima bombs
Fire chief says search for survivors of massive Oklahoma tornado is nearly complete
Jodi Arias says she can contribute from prison if she's allowed to live; jury deliberates
Police union president defends NY officer who accidentally shot Hofstra student in standoff
Amelia Earhart became the first woman to fly solo across the Atlantic Ocean as she landed in Northern Ireland, about 15 hours after leaving Newfoundland.
King Henry VI of England died in the Tower of London at age 49.
Spanish explorer Hernando de Soto died while searching for gold along the Mississippi River.