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

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

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

The proposals present alternatives to the original Mars Sample Return program. Designed by NASA ... by 2030. “I don’t think we want the only sample return coming back on the Chinese spacecraft, and ...

NASA Administrator Bill Nelson left a final decision on a new mission architecture to the next NASA administrator working ...

NASA announced Tuesday it had narrowed down to two options the reworked Mars Sample Return mission aiming for a cheaper and quicker completion than the version that had been killed last year.

With Donald Trump now back in the White House, SpaceX's Elon Musk is more excited than ever about the prospect of his company ...

NASA proposes a quicker, cost-effective plan to bring Mars samples to Earth by 2030, reducing the mission cost from $11 billion to around $7 billion.

Earlier this month, outgoing NASA Administrator Bill Nelson and other agency officials presented two possible plans for the mission, known as Mars Sample Return, for the incoming administration.

During his second inauguration speech, President Donald Trump endorsed a Mars mission as a part of America’s push into new ...