I’ve temporarily replaced Mars with Fenway Park in my header, but that doesn’t mean I’ve lost interest in Mars!  Here’s a video of the descent:

This comes via Jerry Coyne, who has more detail.

And here is Sarcastic Rover, whose Twitter feed is pretty funny.  If I knew how to show tweets in a blog, I would do so.  Anyway, here’s a sample:

Hey NASA? If I find life, am I supposed to kill it, or be friends with it? If the answer isn’t kill, then forget I said anything.

It’s probably funnier as a tweet.