Curiosity, the planet's most prized emotion. A curious mind is a happy mind. Or is it? Some say it's a gateway to madness. Or perhaps it's just a really good excuse to take a nap.

Case in point: the Curiosity Rover. It's been wandering around Mars for eons, looking for answers to questions it didn't even ask. Talk about a existential crisis.

But don't just take our word for it. Read about the Curiosity Rover's latest findings:

Or if you're feeling particularly curious, why not take our quiz:

A) I just want to know. B) I just want to nap.