Ancient Mars may have been a beach paradise 4 billion years ... As the rover moved, it used a process known as ground penetrating radar (GPR) to map up to about 260 feet below the surface. Experts use ...

New research provides the clearest evidence yet that Mars once contained a significant body of water and a more habitable environment for life.

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the ...

Mars wasn't always the dusty red desert we know today. Billions of years ago, waves may have crashed against sandy beaches under an alien sky, while rivers carried sediments into a vast northern ocean ...

Tohoku University researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil. Their water storage capabilities may help us understand the change in water ...

A team of Chinese and foreign scientists has discovered underground sedimentary layers on Mars that appear to have been ...

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the ...