The world you know no longer exists. Your family, friends, and neighbors are gone. Outside, horrific zombie-like creatures roam the streets. And if you breathe in their...
Imagine pulling into a drive through and seeing Woolly Rhino burgers on the menu. It might sound strange today, but thousands of years ago, our ancestors depended on...
Behind you, a colossal hurricane, moments away from making landfall. In front of you, a towering tornado, fast-tracking its way toward the opposing storm. And you...
I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...
If you were just three times stronger than the world’s strongest person, you could lift a compact car. What else could you do? Or, not do? Would superhuman...
In 1850, 94% of the world’s population lived in extreme poverty. Today, we’ve managed to bring that number down to roughly 10%. And if this trend continues...
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...
The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds...
[dx_custom_adunit mobile_id=”RTK_v1lP”] All of the systems, beliefs, emotions, and experiences that we call life are taking place on a tiny rock floating...
Cities have been named after it, economies have been built on it, wars have been fought over it, your life depends on it. Salt may be the most important, and the most...
Forty light years from Earth, there is a world that looks a lot like Venus. But unlike the most sweltering, hellish planet in the Solar System, this not so distant...
Throughout history, humanity has faced existential threats like giant asteroids and invisible viruses. Despite the danger, we always bounce back. But how much longer can...
Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
This giant rock lights up the night and can even change colors. So what would we do without it?
One billion years into the future, you might imagine a world full of artificial intelligence, interstellar travel, and space colonies. Maybe we’ll see the end of...
This rogue star has been traveling the Universe. And now, it’s finally entering our Solar System. But this isn’t just any regular star. It’s known as a...
What do saber-toothed tigers, woolly mammoths and the dodo all have in common? They’re all extinct, and some theorize humans played a large part in this. What if...
What if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...
President Donald Trump has tested positive for COVID-19. Trump is 74 years old, and not to mention overweight. Advanced age and obesity are two factors that put someone...

