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 ...

An image released from the European Space Agency (ESA) shows a rare perspective of Earth 180 million miles away on Mars.

Although Mars has much the same land mass as Earth, the planet is much smaller (about half the size). Down on Mars, Curiosity gives us an incredible panoramic 360° close up look at the Namib Dune ...

SpaceX's new Marslink: high-speed internet connectivity from Mars to Earth, Elon Musk says 'this is just a very basic first ...