What If You Cut the Moon in Half?

What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...

What If Humans Could Hibernate?

[dx_custom_adunit mobile_id=”RTK_v1lP”] The weather outside is frightful, but the fire is so delightful… …So why not crawl up beside it and go to...

What If Dogs Didn’t Exist?

[dx_custom_adunit mobile_id=”RTK_v1lP”] Humans have many friends in the animal kingdom, but when it comes to crowning a best friend, dogs are the consensus...

What If We Built a Stanford Torus?

One day, we want to take humanity into space. But why don’t we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock...

What If the Sun Was a Blue Star?

Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...

What If We Discovered Earth 2.0?

Could there be an even better planet for us than Earth? Scientists are searching for a superhabitable world that wouldn’t just rival Earth, but be a place where life...

What If the Universe Is Bouncing?

This is the Universe. And this little dot here is the Earth. And this is a Big Bounce coming up, and it’s about to squash our planet. Yikes. How long would we have...

What If We Find a Cure for Cancer?

After 2,250 medical trials, involving 380,000 patient volunteers, your wishes and your prayers have finally been answered: we found a cure for cancer. What if that were...

What If Two Black Holes Collided?

Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if...