New research from the U of A found strong evidence in Mars' geology of a former ocean in the planet's northern hemisphere.

Compared with Mars, Earth's other neighbor is not a very nice place. The surface temperature is 900 degrees Fahrenheit, and lava covers most of the landscape. It's always overcast, but it never rains.

Planetary scientists studying Mars have discovered that its polar vortex has temperatures much lower than predicted. A polar vortex is a low-pressure system of air that rotates around a planet's poles ...

Charalambous compared the pattern to shattered glass ... MORE: Is Trump and Musk's goal of sending humans to Mars feasible? On Earth, active plate tectonics continually stir the mantle, making its ...