2 strange incidents that I attribute to (potentially) UFO’s/ET’s

I’m 30 and have seen multiple unknown flying objects in the sky between now and my teens. I was never super interested in aliens or UFO’s until one night around 2010. I was laying in bed, couldn’t sleep just staring at the ceiling. My bedroom was on the 2nd story, my bed right up against a window with a tree right outside. So I’m laying there when suddenly, out of my peripheral I see a blue pulsating glow start reflecting off from the tree outside my window. At the same time I could hear a st...