Ever since 2000, when spacecraft observations revealed that Mars has a multitude of gullies that were probably carved by recent flows of water, planetary scientists have been hard-pressed to find a ...

PROVIDENCE, R.I. [Brown University] -- Geologists from Brown University have found new evidence that glacier-like ice deposits advanced and retreated multiple times in the midlatitude regions of Mars ...

Scientists have found new evidence that glacier-like ice deposits advanced and retreated multiple times in regions of Mars in recent past. For the study, researchers from the Brown University looked ...

Sharp-featured, relatively recent gullies (blue arrows) and degraded older gullies (gold) in the same location on the surface of Mars suggest multiple episodes of liquid water flow, consistent with ...

Undoubtedly one of the biggest science stories of 2015 was the discovery of water on Mars, with running liquids believed to be forming observable channels on the surface. But another piece of evidence ...