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...
When walking across a frozen lake, appearances can be deceiving. Ice that looks solid may be dangerously thin beneath the surface. While many people follow the saying...
This rogue star has been traveling the Universe. And now, it’s finally entering our Solar System. But this isn’t just any regular star. It’s known as a...
Every Blazar We Can See Is Already Aimed at Earth, and Here Is How Long We’d Have
Here is the part that unsettles astronomers. Every blazar we can see is already pointing its jet directly at Earth. Not most of them. All of them. Any blazar aiming its...
The two biggest planets in our Solar System in one telescope view. And catastrophe is imminent. If Jupiter and Saturn suddenly were on a collision course, which of the...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star...
Do you love reaching speeds of 100 km/h, but hate all the pesky safety features of a car? Then street luging might be for you. This extreme sport is just like driving a...
Earth Day is often a reminder of how fragile our planet really is. Every system on Earth is connected in ways that are easy to overlook, from atmospheric circulation to...
The weather outside is frightful, but the fire is so delightful… …So why not crawl up beside it and go to sleep until the seasons change? That’s what...
Picture the most dangerous liquid you could possibly fall into. Most people think of boiling acid, or molten rock, or water swarming with something venomous. All...
Welcome to the longest staring contest of your life. You’re about to go seven days without blinking. What device would keep your eyes forced open? How long would it take...
They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
Wouldn’t it be great to have a truly jaw-dropping view? Like windows looking directly into space? Well, it’s time to build your very own cosmic skyscraper. What would it...
Swipe Down for Full Video Story The sound of trickling water might seem harmless, even peaceful. But in the polar regions, this sound is a sinister warning of an event...
Life on Mars might be like this. You’d live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big...
Steve Irwin, known worldwide as “The Crocodile Hunter,” spent his entire life working closely with some of the most dangerous animals on the planet. But on the morning...
Deep in the winding rivers of northern India and Nepal, researchers searching for one of the world’s most elusive reptiles made an incredible discovery. Gliding...
Humans are built for life on land, but what if evolution had taken a different path and sent us back into the ocean? To imagine this, we need to look at some of the...
Betelgeuse is one of the most famous stars in the night sky. Sitting on the shoulder of the Orion constellation, this enormous red supergiant is nearly 950 times wider...
Swipe Down for Full Video Story Humans are perfectly adapted for life on land, but what if evolution had pushed us back into the oceans instead? Over millions of years...

