Identification: never seen this before-what is it?

what is this strange growth on our grass?
lichen? insect eggs?
what do we do about it?
thanks all

 

Cute slime mold: Slime molds! | K-State Turfgrass

And here: Slime moulds on lawns/RHS Gardening

You can just ignore it / enjoy it.

 

Thanks very much

 

For interest's sake, here are a couple of slime molds I have found in my garden - close to Parksville.

Do they become slimy at some point in their life cycle I wonder?

(The yellow one is called 'Dog vomit slime mold'.) Yuck!