"Big Red" isn't a golden retriever or a NASA engineer, it's the nickname for a small chamber that helps ensure equipment can withstand very cold temperatures that would be experienced in space.

An unexpected detour revealed a treasure trove of blue boulders on the Red Planet in an ancient river channel.

In July, NASA Juno spacecraft flew over the spot and NASA then used that data to produce a simulated flight through the Great Red Spot. Following is a transcript of the video. NASA's Juno ...