Harris, Sally L.2013-05-062013-05-062004-10-14http://hdl.handle.net/10919/21229A Ph.D. student at Virginia Tech has research published this week in Nature that shows Mars probably had liquid water at some point, but likely for only a short time, geologically speaking.text/htmlIn CopyrightVirginia Tech researchers suggest liquid water may have existed on Mars; findings published in NaturePress releaseVirginia Tech. University Relations