What If the Moon Fell to Earth?

What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?

What If You Owned a Time Machine?

Imagine being able to travel to any point in time. Where would you go, and what would you do? You could witness some of the greatest moments in history or even change...

What If We Terraformed Venus?

  We’ve heard about terraforming the Moon and Mars as we attempt to colonize space, but what about Venus? Could we live here one day? How different would it...