Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

A team of European scientists have published the most detailed geological map of Oxia Planum—the landing site for ESA's Rosalind Franklin rover on Mars. This thorough look at the geography and ...

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

“We’re finding places on Mars that used to look like ancient beaches and ancient river deltas,” Benjamin Cardenas, a Penn State assistant professor of geology and study co-author, said in an ...

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, ...