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.

In addition, these microbes' unique characteristics can lead to unexpected ... It's a volcanic (igneous) rock resulting from cooled lava with a low amount of silica. It's often black or dark ...

The team concluded that a mid-crust made up of fractured igneous rocks saturated with liquid water “best explains the existing data.” They estimated the volume of trapped water would reach a ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...