You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as...
10. Upload The age-old question of “what happens after we die” is at the heart of Amazon’s “Upload,” a show about a man who dies and his consciousness is resurrected in...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...
No one knows exactly what to expect if we encountered other forms of alien life. Would they talk like us? Look like us? Or would they be completely different? What if...
This is the Universe. And this little dot here is the Earth. And this is a Big Bounce coming up, and it’s about to squash our planet. Yikes. How long would we have...
Imagine this: a tiny needle hurtling toward Earth at the speed of light. At first glance, it might sound like no big deal. After all, it’s just a needle. But in reality...
Imagine looking up at Jupiter, the largest planet in our Solar System, and deciding to jump straight into it. It sounds like the ultimate space adventure, but the...
Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...
For over half a century, we’ve searched for radio signals from extraterrestrial civilizations. But it’s, been, well, a little quiet. Are they ignoring us? Or...
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...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool...
1. The Great Red Spot Isn’t Alone Everyone has heard of Jupiter’s Great Red Spot, a storm so enormous it could swallow Earth whole. It has raged for centuries, fueled by...
The Moon’s surface is made up of long-dead volcanoes and impact craters from asteroids. But have you ever wondered what might be inside it? We could find out one...
What advice would you give your younger self if you could travel back in time?
In 2021, the U.S. government released a report of alien sightings over the past 20 years. This report featured 144 sightings, mostly witnessed by military aviators. Only...
Right now, only 15% of life on Earth lives in Oceans. Today, we’re gonna crank that up a notch. You, as well as all life on Earth, are moving underwater. Would we have...
Jupiter is a massive, terrifying planet. Despite being studied for centuries and even visited by nine space probes in the last 50 years, the undisputed king of the Solar...
