A new study by planetary scientists at Brown University and the University of Bern in Switzerland casts doubt on one of the most tantalizing clues that water might be flowing on present-day Mars. For ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this image from the High-Resolution Imaging Science Experiment (HiRISE) camera ...

New research suggests Mars' slope streaks are the result of wind and dust, not water. © NASA/JPL-Caltech/University of Arizona In 1976, NASA’s Viking mission ...

Life loves rivers. Here on Earth, large drainage basins cover nearly half of the land surface. On Mars, they cover only about 5% of the ancient terrain. Because of this small footprint, it would be ...

Did Mars' water escape underground, where it dwells today in vast amounts? Some scientists aren't so sure. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Ancient Mars boasted abundant water, but the cold and dry conditions of today make liquid water on the Red Planet seem far less probable. However, the Mars Advanced Radar for Subsurface and Ionosphere ...

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 on Mars over time.

For decades, scientists have theorized about how Mars reached its current state. Many believe that the Red Planet's surface may have once been covered in rivers and oceans. But, if that's really the ...

Mars Express mission has uncovered a remarkable geological formation on Mars that resembles a butterfly. Situated in the Idaeus Fossae region, this unusual crater has intrigued scientists across the ...