Is my forehead receding or is it just very big? (Photos)

I'm 18 years old, and all my life have my hair been semi-long, so my forehead have been something I never truly cared about. I have started to grow my hair out long, and it was then it raised attention. I have no history of baldness in my family and my dad and uncle have full heads of hair and they are 60+ years old. However, my forehead is nearly identical with my mother. Both of my brothers 30+ have small foreheads. Is my forehead very high or am I going bald? There is no thinning by the way.