NASA hopes a revised plan will get Mars samples back to Earth faster and cost less than the agency's original plan.

NASA is considering two ways to get its precious Mars samples back to Earth but won't pick a winner for another 18 months or ...

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

NASA announced Tuesday it may turn to Elon Musk's SpaceX or Jeff Bezos's Blue Origin to help reduce the soaring costs of ...

NASA's beleaguered Mars Sample Return program currently faces extreme costs of up to $11 billion and a timeline that could ...

Previously, the Mars Sample Return mission had been estimated to cost around 11 billion dollars and would not return a sample ...

Space agency says it needs one more year to decide whether its own hardware or a contractor’s will return Martian samples to ...

The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.

NASA astronaut Don Pettit shared jaw-dropping footage of an undulating green aurora as seen during a flyover from the International Space Station.