Deep beneath the Earth’s surface, there’s a scorching ball of iron surrounded by an ocean of boiling hot liquid metal – the Earth’s core...
Our solid core has given us life as we know it. But what if Earth was hollow?
Sharks are the oceans’ primary predators. Eating every fish in their path. But what if you ended up in a pool full of them, and you were the prey? What would...
627 million km (390 million mi) from Earth, underneath the cold seas of Europa, a horrifying, and vastly intelligent creature lurks. Can our human minds even comprehend...
Artificial intelligence is no longer just a concept from science fiction. Today’s AI systems are rapidly advancing, with some already matching the intelligence of famous...
With so many varieties in our skin tones, hair colors, and features, the human race is a marvel of evolution. But what if we all decided to preserve our family traits...
What would happen if you put a couple of physicists in a room with a rope, a box and a black hole? They might come up with a plan to power the Earth for centuries. Black...
It was an image that defined an era of space exploration. In 1969, an estimated 600 million people watched from their living rooms as Apollo 11’s Eagle lander...
Scroll to the bottom to watch our video. We love our convenience — single-use plastic utensils, paper plates, disposable cups, plastic wrap, wrapping paper for...
Once a revolutionary invention, it's now filling up our oceans and killing thousands of whales, birds, turtles... Just how much plastic do we have around us?
With the cost of living soaring, an economic crisis, and wages that can’t be stretched enough to provide an enjoyable life, people are worried about their finances now...
Settling on the Moon or Mars may be all the buzz. But how about we all move to an icy dwarf planet in the middle of the Solar System? To Ceres. What would make this a...
From the gradual heating of our Sun to the slow death of the cosmos, the future of Earth and the Universe is a story of breathtaking transformations, cosmic collisions...
It’s invisible, deadly and sucking up every bit of matter in its path. The most massive black hole in the known Universe is headed right toward Earth. What would you see...
Say one day you were exploring space looking for a new planet for humans to inhabit, but came across a black hole and decided – why not check it out? Would you...
Scroll down to watch the video. The truth is out there. With thousands of sightings, theories and believers, the creature known as Bigfoot has become the stuff of legend...
Imagine a world where we didn’t need any lights, where we could detect diseases just by looking at someone, and literally see right through people’s...
Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...
Scroll down to watch our video. Where would I be without you, Mr. Mittens? It’s not a meme; it’s a fact: We can’t live without cats. Do you know why...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
