XKCD covered it, and an archive of the slides can be found here. (first few are uninteresting, but keep clicking & it gets good).
There's also a video series for kids about the mission.
The European Space Agency robots are tweeting about it.
Well done my friend! RT @Philae2014: Touchdown! My new address: 67P! #CometLandingApproaching the comet, we've learned that it both stinks and sings.
— ESA Rosetta Mission (@ESA_Rosetta) November 12, 2014
Welcome to the future.
We just did a decade of math to successfully harpoon a space rock moving at 40,000mph with a robot to learn more about where we came from.
— Kyle Hill (@Sci_Phile) November 12, 2014
I am never tired of science landing things on comets, though. This is the future I signed up for.This is ridiculously awesome. 10 years ago we planned a mission to land a robot on an asteroid using harpoons. And it worked. I'm going to revel in that for a little while.
— Kari Sperring (@KariSperring) November 12, 2014
A personal note - I haven't yet seen pictures of the ESA Operations center. I bet they're pretty excited right now, though. Here are scientists from India celebrating getting their space probe into orbit around Mars. A representative image:
This image is fantastic, and a good reminder for me that scientists and space programs are more colorful and include more women than they do in my head. Landing a robot on an asteroid is the future I signed up for. Women in saris flying a robot around Mars wasn't, but is even more awesome!