What If Europa Were Earth’s Moon?

Alright, I think it’s time for a change-up. Let’s do a little spring cleaning, and redecorate our Solar System. Now, I know you’re a big fan of the Moon, but it’s so...

What If We Moved Earth?

Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...