Space is amazing and incomprehensible. It is also utterly terrifying. For this list, well be looking at some of the most unsettling unanswered mysteries regarding space. Our countdown includes Black Holes, The Big Crunch, Dark Matter, and more! What do YOU think is the scariest space mystery? Let us know in the comments!

Watch more great space videos here:
Top 10 Spookiest Things to Happen in Space: https://youtu.be/R3KqUciCBMw
Top 10 Strangest Things in Our Solar System: https://youtu.be/4FljSma0ei8
Top 10 Modern Space Movies: https://youtu.be/stxA96iqjz0

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