Variations in composition of light-toned deposits in troughs on Mars suggest a diversity of water-related processes, based on analysis of observations by NASA's Mars Reconnaissance Orbiter. Catherine ...

You probably hear about troughs all the time. Storm systems that look like a big dip in the jetstream and produce unsettled weather. But do you know what an inverted trough is? Today Hank Allen takes ...

View of a Mars polar trough, approximately 20 kilometers across and a few hundred meters deep. The image shows a mound (orange dot) and a depression (blue dot) that are concentrically layered. Some of ...

Giant troughs that stretch across the asteroid Vesta may have formed after a fellow asteroid smacked into Vesta's south pole, researchers say. These findings add to evidence that, like Earth, Vesta is ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

Our science goal is to determine the nature of ridges and troughs in crater ejecta In this image footprint are various examples of modifications to the ejecta. Some parts seem to have formed blisters ...

Catherine Weitz, a senior scientist at the Planetary Science Institute in Tucson, Arizona, has reported new evidence for multiple, water-related geologic processes on Mars. She and her colleagues ...