"What would we have discovered if the thing still worked?
Nasa Scientist 1: So, is mars still red today?
Nasa Scientist 2: Let me check the rover. Dammit - it's shut down! HOW ARE WE GOING TO TELL IF MARS IS STILL RED?!"
Althought this obviously is not the case, its still funny and shows how much they like to joke around on this blog and make fun of things.