If you’ve paid attention to the news at all today, you’ve probably heard about the compelling new evidence that liquid water flows on Mars — present tense.
The news has gotten a lot of coverage today. Among the best is a post by Cory Powell, my fellow blogger here at Discover. You can find his excellent summary of the science, and why it is significant, right here.
I decided to dedicate my post to spectacular imagery, including the dramatic image above.
You’re looking at Horowitz Cr