More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study.

A recent study has revealed that the red color of Mars is due to ferrihydrite, an iron oxide mineral. This finding suggests that Mars once had liquid ...

The fate of Mars’ water—whether it was buried as ... findings include a better understanding of the Red Planet’s water cycle, its potential conditions for life, and the availability of ...

The Earth's hidden ocean is 700 km beneath this continent. Scientists made a discovery that changes everything we thought we ...

From the new data, scientists can infer a larger water cycle for Mars. In order for beaches to creep nearly a mile into a body of water, there would need to be tides, standing water, and rivers ...

Scientists have used orbiters and rovers to find dried streams, lakes, and gullies on Mars that hint at its watery past, but their cavalry of robots has struggled to prove the Red Planet ever had an ...

Named for the god of war, Mars has been in a retrograde cycle since Dec. 6 ... the planet will still be in Cancer, the cardinal water sign where it is said to be in its fall, aka functions ...