The 6 ways we're most likely to find aliens in the not-to-distant future

Aliens could be out there. We simply don't know it yet.

Part of the reason we're still pretty clueless is because our technology is still in its infancy.

But scientists and engineers are rapidly vamping up the tools we'll need to answer one of humanity's most compelling questions: Are we alone?

Here are six ways scientists plan to delve into this mystery in the recent and coming years.