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...
You hear a powerful explosion. The cabin fills with smoke, passengers begin to panic, and the aircraft starts losing altitude. The fuel supply is running low, and the...
Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be a black hole. How big would this black hole...
What if north suddenly became south and south became north? What if Earth’s magnetic poles reversed overnight, just like they did around 780,000 years ago? The...
Look out. There’s an object hurtling toward Earth at the speed of light! And no, it’s not a comet or an asteroid. Yep. It’s a marshmallow. How could a marshmallow ever...
The idea that our Universe might not be alone is one of the most fascinating possibilities in modern physics. What if reality is not singular, but instead just one layer...
The most dangerous groups in history did not open with violence. They opened with an offer. Belonging. Answers to the questions nobody else could resolve. A community...
Is it a meteor shower? Space debris? No, it’s something much, much worse. Our nearest neighbor is a full Moon no more. The Moon exploded and splintered into...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
Rabies is one of the most terrifying diseases on Earth. A single bite from an infected animal can begin a deadly race against time. Once the virus reaches the brain...
The ocean is often described as Earth’s last great frontier, a vast and mysterious world that continues to challenge even the most experienced explorers. In May...
Imagine landing on a planet where the surface looks frozen but burns hotter than your oven. Welcome to Gliese 436b, one of the strangest known planets in the universe...
Voyager 1 is on a journey that will outlast civilizations, outlive the Sun’s familiar neighborhood, and eventually drift into regions of space no human made object has...
Unlike Earth, which is orbiting the Sun, there are billions of rogue planets roaming the Milky Way not bound to any host star. One of them has been spotted on the edge...
You might be wondering how I keep ending up in these situations. Well, let me roll it back a bit. Triton, Neptune’s gargantuan moon, is one of the strangest objects in...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
Imagine looking into the night sky and seeing a structure so enormous that it could be mistaken for a small moon. Instead, it would be an artificial world built by...
First off, we’re going to have to be a Type 1 civilization. Then collectively, we can use all the energy available on our planet. It also gets rid of the monotony of...
Humanity is already filling the space around our planet with machines. Around Earth, thousands of satellites are currently circling above us, each one serving a...
We can already build massive structures in space. Not planet sized yet, but still impressive by any historical standard. Right now, Earth’s lower orbit is crowded with...
