[PrimeMcFly]

The article claims NASA use Drupal, which was quick to verify as true, but NASA also uses Django, or at least the Django project still claims they do.

Why on earth are they using both?

[hobs]

Do you think NASA is some monolithic entity? If your company had a budget of 20+ billion dollars you might use two webframeworks.

[doodlesdev]

   > Why on earth are they using both?

You lost the chance for a great pun here.

[rapnie]

Yeah, there's enough space.

[nobleach]

For the same reason almost ALL old companies that have existed in the tech sector for more than 20 years use more than one language/framework/programming practice/etc... Things grow, things get acquired, things languish.