If gravity were suddenly gone forever we’d all realize pretty quickly how much we’re taking this universal force for granted.
Space exploration has never come cheap, but what if NASA got a multi-billion dollar boost in the form the U.S. military’s budget?
A planet where money doesn't exist sounds to some people like paradise waiting to happen. But could we honestly survive without it?
Earth’s continents are currently keeping a safe distance from one another, but what if they did slam together again, Pangaea-style?
What could be the fallout of exploding a nuclear bomb on the Moon? It’s a crazy idea, but here’s what you could expect if it ever happened.
To meat, or not to meat: that is the hotly debated question. How would life on Earth change if we stopped eating all things animal?
What if every microbe on the planet suddenly disappeared? No more germs. No five-second rule. Just pick that cookie up off the floor and...