Joke or No Joke?

RealClearScience links to a Gizmodo article arguing that the planet Uranus smells like farts because of hydrogen sulfide in the atmosphere. The article seems straight but there is an Onion-like quality to its title:

Confirmed: Uranus Smells like Farts

And if you can't see why I suspect satire, say the title aloud to yourself in private - NSFW. It's not dated 1 April....