LOS ANGELES — NASA's flagship mission to land a nuclear-powered, next-generation rover on Mars is facing development problems and ballooning costs that could threaten its scheduled launch next year.

For centuries, Mars has captivated scientists and the public alike with its striking red hue. Early astronomers speculated that the planet’s color came from iron-rich minerals, much like rust on Earth ...

NASA's Mars rover Curiosity has captured a magnificent postcard from the Red Planet — a 360-degree color view that offers a glimpse of the rover's colorful and apparently diverse surroundings.

— -- NASA is aiming its next Mars rover, a laser-equipped and nuclear-powered lab on wheels, for a Nov. 25 launch. The space agency's $2.5 billion Mars Science Laboratory "Curiosity" rover will ...

NASA’s Mars Science Laboratory (MSL) has successfully completed a set of rigorous actuator tests, which agency managers hope is a sign that the problem-plagued rover mission has finally turned a ...

(PhysOrg.com) -- Two spacecraft engineers join a grouping of vehicles providing a comparison of three generations of Mars rovers developed at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The ...

It’s an age-old question. Was there ever life on Mars? Earth just got closer to an answer — maybe. A rover built and managed in Southern California, with a mission to understand the Red Planet has ...