A new study by former University of Illinois Urbana-Champaign graduate student Jeffrey Kwang, now at the University of Massachusetts, Amherst; Abigail Langston, of Kansas State University; and ...

Water has left its mark in a variety of ways in this martian scene captured by ESA’s Mars Express. The region lies on the western rim of an ancient large impact basin, as seen in the context map. The ...

The evolutionary history of fluvial geomorphology is the consequences of combined effects of tectonic, climate, lithology and base level. Previous researches had emphasized tectonic impacts on the ...

Satellite views of Earth's major river systems reveal their familiar treelike drainage patterns. The pattern - called dendritic - and its prevalence suggests that it may be the optimal state in which ...