I Like to Hunt

What five-letter word becomes shorter if you add two letters to it?

I am made of milk. You keep me in the fridge.

I am cold and you like to eat me in the summer.

Who am I?

What comes once in a minute, twice in a moment, but never in a thousand.

What am I?

I am the second planet from the sun.

I spin the opposite direction as Earth.

who am I?

 I have branches, but no fruit, trunk or leaves.

What am I?