Outer space is full of mysteries. Think about it: According to NASA, there could be as many as 100 billion solar systems in the Milky Way, and hundreds of billions of other galaxies in the universe.

Add Yahoo as a preferred source to see more of our stories on Google. We still don’t know what other life is out there lurking in the universe, which makes inventing your own DIY alien costume a blast ...

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Enjoy this list of DIY costumes that are perfect for Halloween or playing dress up. My kids don’t need an excuse to imagine and dress up. I love Halloween, and I love making costumes. It’s something I ...