Chicago legend Frank Thomas was elected into the Baseball Hall of Fame today. Watch a 2011 interview with Thomas from our archives.

2011 marked the year the U.S. Space Shuttle program came to an end, but NASA's unmanned exploration of space remained at full throttle. We look at some of last year's astronomical achievements and what scientists are eyeing in the year ahead.

2011 marked the year the U.S. Space Shuttle program came to an end, but NASA's unmanned exploration of space remained at full throttle. We look at some of last year's astronomical achievements and what scientists are eyeing in the year ahead.