What If Our Oceans Froze?

  I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...

What If You Spent 5 Seconds on Io?

Io. One of Jupiter’s four largest moons, it’s a world that seems ripped straight from a science fiction nightmare. Its surface is a chaotic, constantly shifting...

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...