“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more familiar. New mapping of ancient river systems indicates that a vast ...

Scientists have traced ancient Martian shorelines inside a giant canyon, revealing where a vast ocean once stood and why ...

Scientists have discovered the perfect vacation spot: it's sun-soaked, has sandy beaches, sports gentle waves lapping rhythmically on the shore. But hold off on grabbing the sun lotion, because ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Scientists have discovered evidence of a massive ancient ocean on Mars, providing new insights into the planet's history when it was abundant with water.

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

A high-resolution morphometric analysis of the southeastern region of Coprates Chasma, part of the extensive canyon system of Valles Marineris on planet Mars, has made it possible to identify sediment ...