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

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

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over from ancient volcanic ...

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

NASA says it needs until 2026 before making a final decision on how the Mars Sample Return (MSR) mission will work.

A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed by the Mars Reconnaissance Orbiter. Credit: NASA/JPL/University of Arizona ...

He said the Senate currently is budgeting $200 million for ongoing development of the Mars Sample Return mission in NASA's fiscal 2025 budget. The House number is $600 million. Whatever number is ...

Previously, the Mars Sample Return mission had been estimated to cost around 11 billion dollars and would not return a sample until the 2040's, noted Nelson, who said a re-evaluation of the ...

In one of its latest activities, Perseverance captured a detailed nighttime mosaic image of an abrasion patch on a rock formation ... for the findings on Mars. Due to safety constraints ...

Researchers believe dark rocks at the site of a future Mars rover landing mission may be left over ... but are now only found in smaller patches. The researchers propose that this is because ...