What If We Built a City on Mars?

The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...

What If We Killed All Spiders?

They’re in your yard, on your walls, in your attic, and there’s probably one near you right now. The thought of these creepy crawlers might make you want to go on an...

What If You Had a Cosmic Twin?

What if there was another version of you? Somewhere out there in the Universe. A you that could be anything. Imagine a version of you where you’re the Batman. Or...