From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

NASA's Curiosity Mars rover used its Mast Camera, or Mastcam, to capture the view of Earth setting while Phobos is rising. The image shows Phobos on the left and Earth on the right. The scene ...

Scientists found the longest organic molecules ever on Mars — ancient carbon chains that resemble the building blocks of life ...

The Close Approach happens every two years, but Tuesday's encounter at 38.6 million miles away will be the closest to Earth that Mars gets until 2035 Joelle Goldstein is a Senior News Editor on ...

With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...