(CNN) – NASA's rover Curiosity successfully carried out a highly challenging landing on Mars early Monday, transmitting images back to Earth after traveling hundreds of millions of miles through space in order to explore the Red Planet. The $2.6 billion Curiosity made its dramatic arrival on Martian terrain in a spectacle popularly known as the "seven … Continue reading What's the next stage of 'Curiosity's' mission? John Zarrella reports