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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.

This Halloween, you plan on having a costume that is truly out of this world. No, seriously — you plan on going as an alien. Since we have yet to discover any otherworldly neighbors, this is the ...

It wasn’t a trick or a treat. It was a genuine for-sale-to-the-public Halloween costume with an alien head, a green card and an orange prisonlike jump suit stamped with the words “Illegal Alien.” For ...

Steven Weintraub launched Collider in the summer of 2005. As Editor-in-chief, he has taken the site from a small bedroom operation to having millions of readers around the world. Over the years, he ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. When it comes to choosing a Halloween costume, you probably sit firmly in one of two camps, ...