Forty light years away from Earth, orbiting a small red dwarf star in the constellation Pisces, lies one of the most intriguing exoplanets discovered in recent years...
If you could travel back roughly 250 million years, you would not see the Earth you know today. Instead, you would arrive at the very beginning of the dinosaur story...
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...
Their bodies may be human-sized, but make no mistake, kangaroos are six to seven times stronger than we are. A single kick can deliver a force of over 320 kg (700 lb)...
NASA’s Perseverance rover has found complex carbon based molecules in ancient dried up river deposits on Mars, adding to growing evidence that the planet once had the...
Mount Hua, China This hike leads to the South Peak of Huashan, one of the Five Great Mountains of China. Its summit stands at about 2,155 m (7,100 ft), and the infamous...
Under extreme circumstances, humans can often pull together to overcome great odds. But when confined in a tight space with each other, well, we may not be at our finest...
Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push our world back into the dark ages. This is...
One second you are out cold. The next, you’re on the operating table. In the middle of heart surgery. Welcome to your most terrifying nightmare. What happens when...
For thousands of years, humanity has looked up at the stars asking the same question. Are we alone? Then one day, it finally happens. Scientists announce they have found...
Every winter, brave souls around the world cut holes in frozen lakes and jump in for a few seconds of icy glory. They call it extreme. The universe finds that adorable...
For centuries, humans have looked up at the night sky and wondered what it would be like to stand on another world. We have walked on the Moon, explored Mars with...
The world you know today would probably feel ancient to someone living 50 years from now. Think about how much life has changed over the past few decades. Smartphones...
It’s been a hectic week, but you finally have a night to yourself. You settle in front of your TV with your favorite meal. You take the first bite, but something feels...
So, what exactly is hot ice? Well, it’s simple. It’s made by boiling baking soda, vinegar, and a little bit of water. From that, you get sodium acetate...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
Imagine walking into a classroom where there is no teacher standing at the front of the room. Instead, every student is guided by an artificial intelligence system that...
Today, we’re going to explore the five deadliest weapons that are ready to be deployed right now. And, if you thought the deadliest belonged to the U.S. Army...
For decades, Area 51 has been surrounded by mystery. Hidden deep within the Nevada desert, the highly secretive military facility has fueled countless stories about...
Robots have come a long way from simple machines that could only perform repetitive tasks. Today, engineers are creating advanced robots that can walk, climb, navigate...

