What "unexplained mysteries" of the universe do you find questionable?

Question

for instance: frogs falling from the sky, crop circles, spontaneous combustion, etc. ...? (yeah, i read the book, hahaha)

Answer 1

Planet X

and it containing life

Answer 2

what do aliens look like?

r aliens really abducting people?

how did we evolve?

when u enter a black hole were does it take u?

if u were 2 enter a worm hole were would it take u?

is life common in space or r we unique?

Answer 3

why do people develop cancer?

Answer 4

Being I'm an alien from Yeslems and you're not. but you are an alien whether you believe it or not. See my profile.

Answer 5

I find most magicians to be questionable..i believe David Blaine though