David Saint-Jacques on a Glaciology expedition in the Kaskawulsh Glacier, Yukon

2015-07-30 - Glaciers are dangerous, yet fascinating environment to explore. One of the impressive craters found on the Glacier.

From July 25 to August 2, 2015, Canadian Space Agency (CSA) astronaut David Saint-Jacques took part in a training expedition in the Kaskawulsh Glacier in Yukon to learn methods and techniques for conducting geological fieldwork that could be applied to future missions to Mars or other planets. (Credit: Canadian Space Agency)