Don't take your eyes off the mesmerizing comet 2013Al, hellbent on colliding with Mars this month. Will it or won't it crash into the red planet? There's a 1 in 600 chance right now. To see what that would look like, click on scientist Leon Elenin's fabulous video simulation below.As for me, I just returned from Lake Tahoe, where I skied on a frozen lake under the stars. Now, more than ever, I've been staring up into the skies. I've wanted to fly into space since I was a little girl. That's just another form of wanderlust. No wonder I can't stop listening to Grace Potter's sad, lovely song "Stars." Play it next time you want to soar over the earth.
