Mystery riddles for teens with simple answers

I am covered in feathers or foam, yet I have no wings and cannot fly. I am the only place where you can lose and find your mind at the same time.

I’m at the beginning of the end and the start of eternity, at the end of time and space, in the middle of yesterday but nowhere in tomorrow. What am I?

What is so delicate that saying its name breaks it?

I can only live where there is light, but I die if the light shines on me. What am I?

One winter day, there was a man standing in the middle of someone's front yard. The person stayed there for several weeks without moving and the owner of the yard didn't mind. Eventually the man left. Who was the man?

There was a plane crash every single person died. Who survived?

This is as light as a feather, yet no man can hold it for long. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I can fly but I have no wings. I can cry but I have no eyes. Wherever I go, darkness follows me. What am I?

I am a 5 letter word. Take away the first letter and I am a country's name. Take away the first two letters and I become the opposite of the 5 letter word. Who am I?