A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...
Under extreme circumstances, humans can often pull together to overcome great odds. But when confined in a tight space with each other, well, we may not be at our finest...
They can lift 5,000 times their body weight. They have armies in the thousands. And they outnumber us a million to one. But ants are tiny, right? Yeah, that’s not going...
Almost 75% of the world’s tornadoes occur in the United States, which means that about 1,300 tornadoes hit the U.S. every year. Most of these tornadoes occur between...
Every year, hurricanes batter the North Atlantic and affect millions of people. The damage can be catastrophic, and these storms are getting worse. But what if we had a...
Welcome to one of the most restrictive countries in the world. Ruled by an enigmatic, tyrannical and violent leader, North Korean citizens and tourists can be threatened...
Sixty-six million years ago, an asteroid as big as Mount Everest was headed on a deadly collision course with Earth. The impact was so devastating that it wiped out the...
What if the Universe is an illusion? What if your reality is not what it seems to be? What if you are you’re just a 2D projection stretched on the surface of a...
The Universe is packed with worlds where sunsets don’t just fade into night, they bend the rules of physics. From double sunsets to glowing ice and strobing pulsars...
Ever feel like the Earth is just too small? Well, let’s make it bigger. Much, much bigger. Welcome to a new Earth that is just as big as Jupiter. In what ways would the...
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...
In the past few billion years, Earth has been pummeled by asteroids, crashed into other planets and frozen over several times. Not to mention being ruled by all kinds of...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...
Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, capable of causing catastrophic damage to human...
The Paleozoic Era represents one of the most transformative periods in Earth’s history, spanning approximately 289 million years from 541 to 252 million years ago...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
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...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Your alarm clock rings. Do you jump out of bed? Or hit the snooze button? Do you take cream? Sugar? Or both? We make...
