Human beings will always be explorers. We’ve pretty well surveyed our planet, our tiny blue dot, for answers and only found more questions. Why are we here? How did we get here? What does it mean?

JERRY LAMPEN/AFP/Getty Images
Human beings will always be explorers. We’ve pretty well surveyed our planet, our tiny blue dot, for answers and only found more questions. Why are we here? How did we get here? What does it mean?