What If Earth Was Twice as Big?

Doesn't it suck having a noisy neighbor? Or constantly running into your ex? We all need personal space, but often find we can't get enough. Don't you wish the world was...

What If Jupiter Became a Star?

[dx_custom_adunit mobile_id=”RTK_v1lP”] What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star...

What If You Met a Time Traveler?

If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...