A 2.7-magnitude quake hit the Colorado mountains overnight on Saturday about 18-and-a-half miles north of Glenwood Springs. We have the latest information.
NASA scientists are reporting definitive signs of liquid water on Mars' present-day surface.
"This, I think, gives a focus of where we should look more closely," said Alfred S. McEwen, professor of planetary geology at the University of Arizona and investigator of high-resolution images taken on NASA's Mars Reconnaissance Orbiter...