Prehistoric Australia was not the sunny, laid back continent we know today. Between 126,000 and 12,000 years ago, during the late Pleistocene era, humans shared the land...
Are all of your memories real? Did everything happen the way you remember it? What if somebody filled your brain with memories that aren’t yours? Would you be able...
Swipe down for full video story! Mosquitoes are the deadliest animals on Earth, responsible for nearly one million human deaths each year. They transmit diseases such as...
How long would something like this take? Why would this change the weather? And how hot would Earth get? If you think something like this is impossible because we...
Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...
Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...
Yet over time, they disappeared and evolved into the smaller versions we know and love today. But what if we found a way to bring them back? Why did giant mushrooms go...
In the Pacific Ocean, north of the equator, there’s a growing, “floating island” of trash that’s twice the size of Texas, and three times the...
Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...
Climbing the world’s tallest mountains is a daring adventure. But you’re about to make an epic extraterrestrial trek on the biggest mountain in the entire Solar...
Scroll down to watch the video. It’s the largest star that we’ve ever discovered: UY Scuti. And if it were to replace our Sun, it would change a lot more...
No, that’s not Photoshop. That’s an actual video from the International Space Station of the Moon looking a bit squished. Wow, so what happened here? Is the...
The Earth is a dying rock and time is running out. You only have 10 years to plan your escape. How could we evacuate as many people as possible? What resources would we...
Venus is the second planet from the Sun and our nearest neighbor. At its closest approach, Venus is mere 40 million km (25 million mi) away from us. After just four...
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?
With the world’s population growing every year, we need to find ways to produce more food. So, if we could bring dinosaurs back from the dead, would you eat them...
Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...
Taller than a six-story building. Longer than three school buses. Ten times as heavy as an elephant. The largest dinosaur ever is coming back from extinction. What would...
What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?
In 1998, a gentleman by the name of John Titor arrived from the future, or so he said. In his timeline, as he claimed, General Electric had managed to invent time travel...
