As the nukes dropped on every major city around the globe, everyone sought shelter, but there was nowhere to hide. In an instant, civilization as we knew it was...
Take some cosmic dust and gas, add billions and billions of planets and a whole lot of stars to the mix. Spice it all up with a handful of gravity to hold things...
Humanity’s nuclear arsenal is capable of destroying all life on Earth. Over. And over. And over. Maybe it’s time we dumped it far away. We might want to inhabit...
What if instead of shining brightly for another 5 billion years, the only star in our Solar System turned into a dark and cold remnant? A black dwarf. How long...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If laws didn’t govern our world, would you still know the difference between right and wrong? If you...
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...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...
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...
A rogue star is headed straight for our Sun. If these two stars slam into each other, it could spell the end of all life on our planet. How could a rogue star end up in...
It’s about to get Old Testament here. What if the creepiest, crawliest, most catastrophic member of the Plagues of Egypt made an unexpected housecall? And decided your...
This is the world 200 million years ago. No cell phones, electricity or even other humans. Would you be able to survive in this new world? Could you get yourself a pet...
Betelgeuse, Betelgeuse, Betelgeuse. Saying its name three times won’t have the same effect as a certain bio-exorcist, but it’s still a sight to behold. At about 950...
“Sleep is good. Death is better. Yet surely, never to have been born is best.” These lines close a 17th-century poem by German writer Heinrich Heine. The...
You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...
Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater...
You’re in the deepest part of our oceans. The Mariana Trench. Suddenly, your sub experiences an earthquake. And when you look outside, you see the terrifying...
This is not some harmless hair. It’s volcanic glass and it could turn your life into an itchy, blistering existence. Uh oh. Looks like today’s forecast is volcanic...
Every year, about half a dozen hurricanes reach the United States. With effects ranging from heavy winds and some flooding to the complete decimation of communities...
