Synopsis

Why return to Mars? The planet, far from being barren, promises possibilities beyond measure. Nearly fifty years of Martian exploration have offered tantalizing hints that Mars might once have supported life—and could still do so. The remarkable arrival of the rover Curiosity, which successfully landed within Gale Crater, signifies a renewed presence on the planet, embodied in the most advanced robot ever to traverse the Martian surface. Will NASA's ambitious undertaking and this technological m