With the vastness of the Universe, everything in it seems so spread out. But some objects are closer than you might realize. Every now and then, a random interstellar...
You’ve probably heard of wormholes from Thor, Interstellar, Star Trek, or if you’re really old school, Albert Einstein. In 1935, Albert Einstein and...
The two biggest planets in our Solar System in one telescope view. And catastrophe is imminent. If Jupiter and Saturn suddenly were on a collision course, which of the...
The tallest man to ever walk the Earth was 2.72 m (8’9″) tall, and he quickly became an international sensation. So can you imagine what life would be like...
In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, paradoxically, the same star that could destroy life...
Humans are built for life on land, but what if evolution had taken a different path and sent us back into the ocean? To imagine this, we need to look at some of the...
What would happen if all the volcanoes on Earth erupted at once?
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...
As our population grows, we’re going to need a lot more farms to feed the planet. Yet, in a lot of places, farming is almost impossible. And much of the land we...
[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...
A small but incredibly fast unwanted guest is about to swing past Earth at the speed of light. Yeah, this is the tiniest black hole in the Universe. But despite its...
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...
For whatever reason, you are the last human on Earth. So what do you do? Eat like a king? Move into Buckingham Palace? Drive fast? Blow things up? Be naked all the time...
Slavery, America’s original sin, was outlawed by President Lincoln on New Year’s Day in 1863. But the repercussions of this brutality and dehumanization...
Before we take the plunge, we could better take a look at what Lake Natron is made of. Much like the Dead Sea, this lake in Tanzania doesn’t run off into any...
“Below the thunders of the upper deep, Far, far beneath in the abysmal sea, his ancient, dreamless, uninvaded sleep The Kraken sleepeth” That’s right. It’s...
A mysterious interstellar object is on a collision course with Earth. And scientists don’t know what it is. What could this new astrophysical object be? Where did it...
In an effort to fight climate change, the Sahara Desert could be going green… literally. Plans are being made to terraform the entire Sahara desert; changing it...
In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked flattened when it appeared in the thickest part of...
If you could, would you live on the Moon? Not as one of the courageous early settlers, but as a citizen of a fully-functioning Moon city. What would they be built out of...
