This is my understanding of entropy in relation to cosmos:
The universe is moving from higher order (entropy) to lower order.
Eg: Say you build a house (higher entropy) then the house will be destroy due to time (lower entropy)
The same way universe is moving towards lower entropy so the space and time become zero. Then there will be a big bang and the things start all over again.
Entropy also operate in macro (time and space) and micro ( house) level.
I think above can be applied to life as well.
Why I like entropy is that it confirms Buddha’s teaching impermance. (Anicca)