A newly resurfaced NASA image has reignited speculation about the possibility of artificial structures on Mars. The photograph, which appears to show a near-perfect square formation on the planet ...

Astronomers may have found the perfect Mars base location, and it's right next to a huge deposit of frozen water.

SpaceX CEO Elon Musk has backed a mission to Mars to investigate the remarkable 'square structure' (pictured) that was captured on NASA's Mars Orbiter Camera.

Not every unusual surface feature is a sign of water on Mars, and studies like this one help clarify where and how we continue our search for signs of life. In space exploration, ...

ESA's Mars Express spacecraft follows a polar orbit, so it ‘circles’ Mars on a path that takes it over its north and south poles on every orbit. As it does so, it moves along an ellipse. During each ...

On December 12, from 156 miles above the surface of Mars, the HiRise camera aboard the Mars Reconnaissance Orbiter spotted a peculiar sight: the face of a bear, peering up from the crust of the ...