An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see ...

The Wolf Moon will reach its peak fullness at 5:27 p.m. Eastern Time on January 13. It will rise in the sky about an hour ...

The Mars Sample Return mission has been ranked as the highest priority by planetary scientists, who hope to find signs of ...

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

The Perseverance rover has been collecting Martian rock samples since 2021, but NASA is still figuring out how to bring them ...

NASA sees two paths for saving its beleaguered plan to retrieve materials from the Red Planet but won’t choose between them ...

NASA announced Tuesday that it is exploring two options to move forward with its mission to return samples from Mars at a ...

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

In April, after an independent review found “near zero probability” of Mars Sample Return making its proposed 2028 launch ...

To maximize chances of successfully bringing the first Martian rock and sediment samples to Earth for the benefit of humanity ...

The agency is starting down two different paths toward the samples' return, but only one will bring the red rocks home.