Data from the Mars Express orbiter has been used to create a visualization of "a vast system of deep and steep valleys that ...

NASA shares an iconic image of carbon dioxide ice erupting in geysers when Martian winter turns to spring.

But the distance between Earth and Mars is constantly changing as they orbit the sun. In theory, the closest that Earth and Mars would approach each other would be when Mars is at its closest ...

New research shows that meteoroid impacts on Mars generate seismic signals that travel much deeper than previously thought, ...

A perfectly square-shaped structure on Mars, 3 kilometers wide, spotted in NASA’s Mars Orbiter Camera images, has sparked curiosity and speculation. SpaceX CEO Elon Musk calls for direct ...

NASA's Mars Reconnaissance Orbiter has captured images of kidney bean-shaped frozen sand dunes in Mars' northern hemisphere, revealing layers of carbon dioxide frost. These formations provide ...