Curiosity finds rocky remnant of ancient martian streambed

NASA's Curiosity Mars rover, slowly nearing its initial science destination where multiple types of terrain come together, has found outcrops of conglomerate rocks made up of eroded gravels that scientists believe were transported across the floor of Gale Crater by a "vigorous" flow of ankle- to hip-deep water in the distant past, scientists said today.

[link to news.cnet.com]