NASA’s Perseverance rover is tirelessly exploring Mars and recently overcame a rocky challenge to collect another valuable ...

A team of Chinese and foreign scientists has discovered underground sedimentary layers on Mars that appear to have been shaped by oceanic activity, providing new evidence that water once existed at ...

My main research interests are the geologic, hydrologic, and climatic histories of the planet Mars and all things related. In particular, I work on problems dealing with past fluvial erosion on Mars, ...