Imagine a black hole heading straight for Earth. We could wait for it to swallow our planet, or we could try to destroy it before it’s too late. We’d throw...
Cities would drown, oceans would dry up, and human civilization would be thrown into chaos. This catastrophic change would not just flood our homes but completely...
Let’s say you’ve got two bottles of water in front of you. One is a plastic bottle, the other a reusable one. You already know that you should probably pick the reusable...
It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...
The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
Imagine you’re out for a walk on a lovely day, with not a care in the world. The birds are singing, and the sun is shining. Actually, the sun seems brighter than usual...
Love can make us do some pretty crazy things. When we’re in love, our brains release a cocktail of neurochemicals that not only affect our moods and our well...
Did you know that Mars has polar ice caps just like we do here on Earth? With the right technology, they might be our water source should we ever move to the red planet...
How big is the Sun compared to the Earth? Imagine you were able to shrink the Sun to the size of a basketball. At that point, the Earth would be reduced to the...
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...
Somewhere in the 1700s, an artist drew a giant spider devouring a hummingbird. That single illustration gave the animal its name, and the name has been misleading people...
Have you ever dreamed of becoming an astronaut? Well now’s your chance. You’ve been selected as one of the first members of a new human settlement. But you’d...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if…. you could swim in Titan’s lakes? Saturn’s largest moon, Titan, is unique. It has its own...
The Paleozoic Era Lasted 289 Million Years, but It Ended in Earth’s Deadliest Extinction
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...
We all know our time here is limited. But we don’t know by how much. Are we better off not knowing when we’ll die? Or would a countdown help us all to lead...
Imagine you are hiking high in the mountains of Rwanda in East Africa. You take in the beautiful sights and sounds and ready your camera phone for that perfect shot...
You have probably heard of pigeons delivering messages and horses carrying soldiers through battlefields in wartime history. But a bear serving in the army sounds almost...
Earth never stops moving. Right now, as you read this, the planet beneath your feet is spinning at incredible speed. At the equator, you are traveling through space at...
Our solid core has given us life as we know it. But what if Earth was hollow?
Could you imagine jumping from the kitchen window and diving into water? How fun would that be? For some people, sure. It seems unlikely, but it’s not as crazy as...

