HD 189733b may look like Earth’s evil twin, but it is far from the most extreme world in the universe. Astronomers have discovered several exoplanets that make...
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 makes the perfect human? Immaculate features? Indomitable Intelligence? Incomparable wit? Or irresistible charm? What if you could modify your genes? What if...
You thought forest fires were bad? Wait till you hear about ocean fires. Yes, that’s right. The sea bursting into a fiery hellscape. What if every ocean on Earth...
Our Universe was born billions of years ago. And since that time, it’s given birth to millions of galaxies, our Solar System, and who knows what else. Our Universe...
What if we weren’t the dominant species on this planet? What if we had to compete with every other species on Earth? We are outnumbered. We are surrounded. And our...
Are you tired of cramped city-living? Then anti-gravity might be for you! Do you want to soar effortlessly over traffic jams, while the drivers below you lose their...
As the largest animal to roam the Earth, you’d think such an impressive presence would be almost invincible. How did this titan of a creature finally meet its...
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...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If you could travel faster than the speed of light, where would you go? Mars? The nearest star system Alpha Centauri...
Whether it’s an act of war or terrorism, all that really matters in the moments after the blast is that there are ways to save yourself and your loved ones...
Imagine being just 11 years old and being forced to stand in a public square alongside other children from your neighborhood. In front of you, a man is tied to a post. A...
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...
You start your day hearing wild news. Jupiter has just swallowed Saturn. And it doesn’t stop there. Jupiter is on its way to swallow every planet in the Solar...
Congratulations, you’ve taken the seven-month-long journey and have landed on Mars. And it turns out, you’re the first person. Better start getting the human...
Why do solar panels look so different these days? And why have we started installing them on top of mountains, using them to pave our roads, and putting them in the...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
Sandworms are gross-looking little things. Maybe a little bit cute. I almost feel bad using them as bait. What if instead of us hunting them, they were able to hunt us...
[dx_custom_adunit mobile_id=”RTK_v1lP”] The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over – and it...
Every six years in Japan, thousands of people gather in the Suwa region to witness one of the world’s most dangerous religious festivals. Massive logs thunder down steep...
