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 ...
The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.
Recent research has unveiled massive, hidden structures beneath Mars’ surface, where an ancient ... Researchers used gravity field data from satellites to probe the internal structure of Mars.