Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous match. What would a match need to be made of to ignite...
The king cobra is one of the most dangerous reptiles on Earth. It is the longest venomous snake in the world and can be found across India, South China, and Southeast...
Don’t you just love fresh air? And feeling healthy? If only that were possible. That deep, relaxing breath you thought you just took, is full of microscopic...
THE BEGINNING – 4.5 BILLION YEARS AGO On Mars, this stage is called the Pre Noachian era. Mars had just formed from dust and gas inside the early solar disk, the...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
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...
The night is dark and stormy at the beach. A crowd prays to the thunder in the skies. All hail the god of chaos, who sleeps no more. Cthulhu, the great, green, bringer...
What if humans could actually grow food on Mars? Not inside sealed laboratories or artificial hydroponic systems, but directly in the Martian ground itself. Could alien...
As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s biggest explosion, the supernova. As...
You hear a powerful explosion. The cabin fills with smoke, passengers begin to panic, and the aircraft starts losing altitude. The fuel supply is running low, and the...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Imagine, instead of looking up and seeing the stars, you see something like this: Coca-Cola ads are seen on...
A nearby volcano is showing signs of an imminent eruption. Seismic activity is increasing, magma is rising, and the pressure beneath the surface is building. In a...
Scientists have discovered many planets similar to Earth beyond our solar system. These exoplanets can be up to 10 times larger than Earth, which might be ideal for our...
I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...
How quickly can a lion kill you? In the right circumstances it can happen in a terrifying manner. They are capable of attaining speeds of about 50 mph, leaping more than...
Are you tired of cramped city-living? Then anti-gravity might be for you! Do you want to soar effortlessly over traffic jams, while the drivers below you lose their...
How long would it take for the world’s largest rainforest to burn down? If we don’t do anything to stop it, we’ll soon find out. The Amazon rainforest...
Our Universe was born billions of years ago. And since that time, it’s given birth to millions of galaxies, our Solar System, and who knows what else. Our Universe...
In the future, humans may no longer have a need for physical forms. We’ll be able to explore different multiverses and manipulate time itself. These are just a few...
Although death is a biological process, the last moments of life may include experiences which are much more mysterious than the physical changes taking place in the...

