Authorities are warning those in some areas to avoid unnecessary travel because of poor visibility and slippery roads.

Winter Ecology is a survey of physical and biological processes and their interaction in wintertime snow-covered environments. Through classwork, fieldwork, and individual projects, we will focus on ...

Similarly, a Winter Weather Advisory is in effect for parts of Colorado, including Denver, Boulder, and Castle ... caution while traveling, as snow-covered roads, icy conditions, and strong ...