[tombert]

Is that true?! I think I might have a few new desktop backgrounds coming up...

It totally makes sense. I kind of thought the whole point of public research was so that everyone could benefit.

[TallGuyShort]

http://www.nasa.gov/multimedia/guidelines/index.html

There are some restrictions but they're all very sensible, like forbidding the use of official logos to imply endorsement, etc.