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...
Has the weather ever ruined your plans? What if I told you I had an idea to stop hurricanes from wrecking your day? And that it involves liquid nitrogen. How exactly...
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We’ve survived ice ages, devastating pandemics and world wars...
Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...
Hurricanes, typhoons, cyclones. They’re all one in the same. Storms. Now, the mother of all of them is about to hit New York and you’re caught right in the middle of it...
This is the Mullaperiyar Dam. It has been around since well before your grandparents were born. And it could fail at any moment now. What could cause the dam to collapse...
About 65 million years ago, a mass extinction event occurred, wiping out more than 75% of all species on Earth. There have only been 5 mass extinctions in our...
Serving and protecting the United States is a big responsibility. But its seven services have things covered, even outer space. Tonight it’s sea versus sky as we...
Do you love Jupiter? Do you love it so much that you could look at it every day? I hope so. Because it just took the Moon’s place, and Earth will never be the same...
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...
Day X has arrived. Mount Fuji, Japan’s most famous volcano, is erupting for the first time in 300 years. It’s raining ash, lava and toxic gases down on the world’s...
The Sun is Yellow If you’ve always thought our star was a bright yellow ball of fire, you were wrong. For starters, it’s not yellow. It’s green. Sort...
Don’t Miss the Full Video Story Below What if the past was not really gone forever? Creatures like the saber toothed tiger, the woolly mammoth, and the dodo bird once...
On the morning of September 11th, 2001, tragedy struck when two hijacked airplanes crashed into the World Trade Center towers in New York City. After that, everything...
What if everyone on the planet said "no" to their gas-powered cars right now? And not just cars - gas dryers, water heaters, gas stoves, lawn mowers... What if we...
Scroll to the bottom to watch our video. We love our convenience — single-use plastic utensils, paper plates, disposable cups, plastic wrap, wrapping paper for...
These creatures dominated their environments with unique weapons, powerful bodies, and deadly instincts. Here are six prehistoric creatures that could easily compete...
Deep beneath the mountains near the Black Sea lies Veryovkina Cave, the deepest known cave on Earth. The cave is filled with narrow tunnels, underground rivers, freezing...
Could Thor actually punch the Hulk without knocking himself over?
First of all, yes, it’s pronounced Enceladus , not enchiladas. Enceladus is Saturn’s sixth largest moon, but it would be better described as a winter...
