Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C...
The Earth might not be here forever. A huge solar flare, an asteroid impact, or a local gamma-ray burst – anything could wipe us out for good. If we’re...
If you happened to wander into the Nevada desert and stumbled upon the secret U.S. military base, Area 51, you’d quickly be arrested, killed, or maybe even...
A massive asteroid just hit Earth, right in the middle of the Atlantic Ocean. Thanks to NASA’s new infrared telescope, we were able to detect it and prepare for the...
Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...
[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...
12. THE SUN IS A GIANT BALL OF FIRE Did you know that the Sun isn’t really on fire? No. Our Sun isn’t a raging bonfire in the center of the Solar System...
Underneath Antarctica’s vast ice sheet lies one of the planet’s greatest mysteries. What would happen if every last piece of ice on the southern continent suddenly...
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...
These balls represent one of the strangest phenomena currently taking place in our Universe. Each ball symbolizes one of 100,000 galaxies — including our own...
For whatever reason, you are the last human on Earth. So what do you do? Eat like a king? Move into Buckingham Palace? Drive fast? Blow things up? Be naked all the time...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Food is scarce. Money is worthless. Riots are everywhere. The world is in chaos. This isn’t our past...
In 7.5 billion years, the Sun will expand and engulf our planet, destroying all life as we know it. Of course, a mass extinction on Earth could happen much sooner than...
You think you’re watching TikTok, but in reality, it’s watching you. Yeah, those cute, fun little videos come at a high price. Your privacy. But now this app...
What if we took everything that sustains life on this planet, and shrunk it down to one small bubble? Earth’s biosphere stretches about 20 km (12 mi). From the...
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...
Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time...
Look at the world around you. What do you see? Sometimes a cigar is just a cigar. But mostly, it’s not. Why are we so driven by sex? Has it always been this way...
Sixty five million years ago, a massive asteroid crashed into Earth and ended the age of the dinosaurs. But what if that never happened? What if dinosaurs had continued...
