Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
Have you ever been curious about Medieval life? Would you travel back in time if you could? Do you think you would enjoy it? How long would you last? After 200 years of...
Could you face guards who shoot to kill? Swim for hours or even days in the open sea? Or cross a vast, hostile desert? What kind of place can push a person to make these...
The Big Rip, the ultimate fate of our Universe. It will be a cosmic event that will tear apart galaxies, one by one. Stars, planets, you, everything will be eviscerated...
Earth is perfectly balanced in space. It travels around the Sun on an elliptical path that gives us seasons without getting too close to our star. The Sun is 330,000...
Human history has been full of battles and wars, some big and some small. But if World War 3 were to happen, it might be humanity’s biggest battle yet. Advanced...
For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying to reach us. Powerful telescopes scan...
Not too far from Earth is a giant space rock that has silently played host to just twelve people in its entire history. What would happen if we put our cosmic satellite...
Halley’s Comet is one of the most famous visitors in our Solar System. It is a massive, peanut shaped object made of ice, dust, and frozen gases, stretching roughly 15...
You’re reaching out to pet a horse when it tries to chomp on your arm. Startled, you step back and the horse rears up. If it comes down on you, you could be...
Imagine walking into a classroom where there is no teacher standing at the front of the room. Instead, every student is guided by an artificial intelligence system that...
What if one day the continents joined together into one giant landmass again, and you could travel from North America to Africa on foot? What country would become your...
What would it actually be like if every particle in your body converted into a dark matter particle? And how long could you last in that state? Everything that we can...
Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous match. What would a match need to be made of to ignite...
Let me take you on a wild ride to the very edges of our Universe. But it won’t be as simple as traveling through space. Because the edges that we’re talking about...
When people imagine artificial intelligence taking over, they usually picture something straight out of a science fiction movie. Giant robots patrol the streets...
Imagine digging a hole straight through the Earth, all the way to its center. You might think it would be a simple matter of drilling through layers of rock. But the...
Let’s face it. We’re hooked on the stuff. Most of us can’t even start our day without a nice cup of joe. According to the International Coffee Organization, over 1...
For Todd Orr, an outdoorsman, what started off as a calm morning hike in the Montana mountains soon turned into a struggle for his life; he never anticipated that the...
Throughout history, there have been many incredible civilizations that have shaped the way we live today. One was Ancient Rome, a once majestic and thriving city whose...

