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...
Almost half of the world’s population uses one of Meta’s services every month. Facebook and Instagram combined hold over 75% of the social media market share, and...
Once a revolutionary invention, it's now filling up our oceans and killing thousands of whales, birds, turtles... Just how much plastic do we have around us?
Martians might really exist… In the future. But instead of the aliens of sci-fi movies, martians would be humans born and raised on Mars. Why would your skin be...
Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...
Imagine striking a match and having everything around you catch on fire, even if you were standing in a wet forest. And while that’s happening, imagine being...
It starts with a simple cough, and before you know it, millions of people are infected. And it won’t stop there. It could keep growing and growing until billions...
Sulfur hexafluoride, now that’s a mouthful. It sure is! It’s more commonly known as SF6 or deep voice gas because, well, it makes your voice deeper! But...
Imagine being able to travel to any point in time. Where would you go, and what would you do? You could witness some of the greatest moments in history or even change...
Human history has been full of battles and wars, some big and some small. But if World War 3 were to happen, it might be humanity’s biggest battle yet. Advanced...
Humanity’s nuclear arsenal is capable of destroying all life on Earth. Over. And over. And over. Maybe it’s time we dumped it far away. We might want to inhabit...
635 light-years from where you are sitting, way out in outer space, lies a planet. The first planet to be discovered inside the habitable zone of a Sun-like star. Its...
CERN, is the Nuclear Research laboratory on the border of France and Switzerland. It features the most powerful particle accelerator on Earth, the Large Hadron Collider...
Imagine Earth with an even 50/50 split between continents and oceans. Our planet covered half by land half by water. How would this change the planet as you know it...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Take a look at the two most popular energy sources around the world. Oil. Coal. Dirty. Scary. By some estimates...
To infinity, and beyond.
[dx_custom_adunit mobile_id=”RTK_v1lP”] On average, you produce just over 2 kgs (4.4 lbs) of waste each day. That may not sound like a whole lot, but...
We might not be alone in the Universe. Scientists from all over the world have their eyes and ears wide open trying to detect signals of life beyond our planet. But...
Imagine if you could take in all of human history in the blink of an eye. Well, from the first steps on the moon to the first steps out of the slime, that’s...
In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It’s called Sagittarius A*. And if a giant gravitational...

