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

The trip to Mars and back is not one for the faint of heart. We're not talking days, weeks, or months. But there are ...

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

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

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

One hundred people were due to take a one-way trip to Mars in 2023 — and, while some experts say it was a suicide mission, ...

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in ...

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

SpaceX readies its seventh test flight of Starship, the most powerful rocket ever designed. The trial will test upgrades to ...

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