What is this strange lifeform?

[Kodama]

So I was out on a walk and passed a what looks juniper foliage but I think it's a cedar tree and seen this alien looking lifeforms and had to take a picture. Is this a fungus?

 

[Cadillactaste]

Cedar rust...

 

[rockm]

Cedar apple rust. Not great for you tree. Prune it out burn it.

 

[just.wing.it]

Uh oh.... RUUUUUNNNN!