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

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

Research published late last year indicated “seismic discontinuities in the Martian crust” that scientists believe could be an indicator of liquid water under the Martian surface, raising the ...

This finding suggests that Mars once had liquid water. NASA’s Perseverance rover ... arid surface that we see today, this cycle of change has become an indispensable part of the history of ...

Mars' Red Hue New research challenges the long-held belief that Mars' red colour emerged under dry conditions. The study suggests that the planet’s signature hue is due to ferrihydrite, an iron oxide ...

Analysis: Bob's Blog This robotic, solar-powered plane might be NASA's new way to explore Mars ... and abundance of water and to better understand the lunar water cycle. A SpaceX Falcon 9 rocket ...

At some point, iron within rocks on Mars reacted with water or water and oxygen in the air, creating iron oxide — much in the same way rust forms on Earth. Over billions of years, the iron oxide ...