The FBI says it would be premature to comment on a motivation at this time and joint investigators have neither ruled out terrorism, nor ruled it in.
As the E3 conference takes place, Sony has insisted that the game console war is far from won despite its PR launch triumph over Microsoft.
Iran's plan to make its own film to counter the "distorted" thriller "Argo" is fueling a debate about Hollywood and historical accuracy.
Nasa's Voyager 1, launched in 1977, is nearing the outer boundary of the solar system and may already be "dancing on the edge" of outer space.
Colourful veteran Irish actor Peter O'Toole, famous for films including 'Lawrence of Arabia', has announced his retirement at the age of 79.
British soul singer Adele has won the Grammy in every category she was nominated during a show clouded by the death of Whitney Houston.
Republican White House hopeful Mitt Romney romped to victory in the Nevada caucuses, cementing his position as frontrunner to take on Obama.
French-directed silent film The Artist, has been nominated for six Golden Globe awards, while The Help was nominated in five categories
The trial of Michael Jackson's doctor Conrad Murray enters its final act as a jury prepares to consider whether the medic is guilty over his death.
The trial of Michael Jackson's doctor Conrad Murray enters a third week, with the spotlight on alleged inconsistencies of the star's final hours.