Geologically, Mars is very reminiscent of the moon. But it also looks a lot like the Earth. It all depends on who you ask.

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

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 ...

Unlike the dunes on Earth which are constantly in motion, the kidney bean-shaped dunes on Mars appear surprisingly motionless ...

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

NASA unveils a groundbreaking approach to bring Martian rock samples back to Earth by 2026, introducing competition between ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

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 ...

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

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...