What if everyone on the planet said "no" to their gas-powered cars right now? And not just cars - gas dryers, water heaters, gas stoves, lawn mowers... What if we...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Tectonic plates: can’t live with ’em, can’t live without ’em. Their movements cause some of...
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...
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...
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...
What would really happen if you went into space without a suit?
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...
So, what exactly is hot ice? Well, it’s simple. It’s made by boiling baking soda, vinegar, and a little bit of water. From that, you get sodium acetate...
What if I told you we discovered an alien species with an adaptable body? Advanced intelligence? And astounding camouflage skills? Enter the octopus. Wait. What did you...
Two billion years ago, Earth was a strange and hostile place. It was an era marked by dramatic climate shifts, dangerous changes in the atmosphere, and the birth of...
Since 1988, 71% of all the world’s carbon emissions have been produced by just 100 companies. Their operations are largely to blame for the climate crisis we now...
Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if...
What would happen if you took the most energetic light source in the Universe and smashed it into a massive gravitational monster? Well, you might reverse the flow of...
We think of space as an icy void, where temperatures drop to hundreds of degrees below zero and astronauts need layers of thermal protection just to survive. But what if...
Forty light years from Earth, there is a world that looks a lot like Venus. But unlike the most sweltering, hellish planet in the Solar System, this not so distant...
What if human history ended today?
Could a black hole devour us all one day? There are millions of them out there just waiting. And if we happened to make a black hole accidentally, well, you better...
Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, the mosasaurs reigned supreme, terrorizing...
Settling on the Moon or Mars may be all the buzz. But how about we all move to an icy dwarf planet in the middle of the Solar System? To Ceres. What would make this a...
Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...

