THE BEGINNING – 4.5 BILLION YEARS AGO On Mars, this period is known as the Pre-Noachian era. Mars has just formed from dust and gas in the protoplanetary disk...
In space, no one can hear you scream. But just because sound can’t travel in the vacuum of space doesn’t mean that the planets and our Sun don’t make noise. What would...
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in...
If the Earth had an edge, I hope it would look like this. The edge of a flat Earth. I know, I know, we’ve talked about it before. But there’s something...
Imagine a future where the unthinkable happens. A global catastrophe wipes out nearly everyone on Earth, leaving only two human beings alive. With the survival of the...
It’s one of the most dangerous and mysterious places on Earth. It’s home to dozens of sunken ships, plane crashes, and dead people. It’s known as the...
Take a deep breath. We take 23,000 breaths a day; trying to get oxygen to our brain and cells. Oxygen is essential to our survival. But it’s a only small...
Humans have been evolving for the past six million years. But something’s gone terribly wrong. And now we are evolving backward. Once this process began, how long...
What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across interstellar space? Would we hop from one exoplanet...
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...
We heard the warnings. But we didn’t listen. Now, we live in a world controlled by artificial intelligence. How did we let this happen? Will we able to survive...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star...
On the morning of September 11th, 2001, tragedy struck when two hijacked airplanes crashed into the World Trade Center towers in New York City. After that, everything...
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...
If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...
[dx_custom_adunit mobile_id=”RTK_v1lP”] The world is heating up! But you’ve known that for a while. How long before it’s too late? Its estimated...
Are cubic planets possible? Could humans live on a cubic world? How would our climate change? How would gravity be affected? Could we stand it?
Every year, about half a dozen hurricanes reach the United States. With effects ranging from heavy winds and some flooding to the complete decimation of communities...
Eight legs, eight eyes, sharp fangs, and bullet-proof webs. They’re hairy, they’re scary, and now, they’re human-sized. As many as 427 million people...

