then and now
Go inside the investigation into one of the worst school shooting massacres in U.S. history.
No clear motive was spelled out in the 44-page summary of the investigation into last year's massacre at Sandy Hook Elementary School that was released Monday. However, new photographs of the scene -- and shooter Adam Lanza's home -- were released. Here is a sampling:
On July 20, 1969, Neil Armstrong became the first man to set foot on the moon. In honor of the 45th anniversary of the moon landing, take a look at past and future missions as well as video footage.