A small but incredibly fast unwanted guest is about to swing past Earth at the speed of light. Yeah, this is the tiniest black hole in the Universe. But despite its...
The Sun isn’t the biggest thing in our Solar System. And it’s not Jupiter, either. But close. It’s Jupiter’s very own magnetic field. What would it be...
How cool would it be to see a real life T-Rex? If only that one fatal asteroid never hit Earth.
40 km (25 mi) off the coast of Brazil lies an island so dangerous it’s illegal to visit. But rules don’t apply to you. You’re a thrill-seeking...
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...
Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...
Welcome to Earth City. Yeah, you heard that right. You’re not going on a globetrotting tour to see all the planet’s major cities. You’re already there. Today, the entire...
Deep under the Earth’s surface, there’s a scorching hot ball of metal. Scientists just discovered that something very wrong is happening to it. Did...
About 50 billion rogue planets are roaming the Milky Way with no host star to hold on to, some of them three times bigger than the Earth. They don’t give off any...
With the vastness of the Universe, everything in it seems so spread out. But some objects are closer than you might realize. Every now and then, a random interstellar...
This war didn’t come out of nowhere. The signs were hiding in plain sight. Trump slams Europe with devastating tariffs, crippling economies across the continent...
Buckle your seatbelts. We’re about to take a ride on the cosmic superhighway. What exactly are these celestial autobahns? How would they help us explore the furthest...
While it might be nice to avoid any dangerous confrontations on your wilderness walks, life without wildlife would be pretty boring. If we didn’t have animals...
Quetzalcoatlus lived around 72 to 66 million years ago during the Late Cretaceous period, when it blocked out the sun with its 12 m (40 ft) wingspan. When it landed on...
Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...
Did you know that some of the hottest countries in the world have outdoor ventilation? Qatar gets temperatures as hot as 50 °C (122 °F). But luckily for them...
Would you spend a night at the top of the first tower to space? At 100 km above sea level, it would be the highest structure that humans have ever built. This tower...
It’s time to live your ultimate supervillain fantasy. Today, you’re going to unleash your masterpiece of mass destruction. An antimatter bomb. How would you build it...
In the future, humans may no longer have a need for physical forms. We’ll be able to explore different multiverses and manipulate time itself. These are just a few...
Ah, the planet Earth, our beautiful home. We’d like to believe it will be around forever, but what if it isn’t? Aliens, comets, weapons of mass destruction, black...
