Space agency considers mission to learn if there's life under Europa's icy surface
Space agency plans to study Mars atmosphere, climate history and habitability
On Curiositys anniversary, NASA talks navigation, propulsion and life support for human mission
Social network also answers critics frustrated with its ranking algorithm
Robotic rover will soon get the smarts to make its own driving decisions
Analysts say new embedded post program could boost Facebook's business users
Stock hit $38 a share today for the first time since May 2012
Google looks to expand the Glass Explorer program by convincing testers to invite a friend to join (for $1,500)
Social network unveils program to support, boost small game developers
Robot that could one day be used by the military or for search and rescue missions (Video below)
