Most caves are dark, quiet places filled with rock formations and underground tunnels. But hidden beneath the jungles of Vietnam is a cave so enormous that it contains...
MSN New, Earth, Humanity
Billionaires Are Building Underground Bunkers for the Apocalypse, but Surviving Below the Surface Comes With a Price
In some of the wealthiest corners of the world, the very rich are putting their money towards building underground bunkers to survive the apocalypse. These subterranean...
There are some things you just can’t live without. Like gravity, oxygen, the Sun’s warmth. And we’re about to take those vital things away from you...
Black holes are dark, matter-devouring balls of gravity. Most of them are so far away that we don’t need to worry about them. But not this one. Meet Gaia BH1. This...
TOI 849b is one of the largest rocky planets ever discovered. It’s a massive, desolate world with zero atmosphere, orbiting incredibly close to its star. Temperatures...
Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...
Billions of years from now, the Sun will enter the final stage of its life. It will swell into a massive red giant before eventually shrinking into a stellar remnant...
Physicists love asking questions that should never have answers. Questions like this one: what exactly happens to Earth if a black hole comes our way? They ran the...
A frozen lake can create a dangerous illusion of safety. From above, the surface may appear thick and perfectly solid, even when weak ice is hiding underneath. Although...
Until its closure in 2014, a dedicated area for inmates suffering from mental illnesses occupied the 9th floor of Miami-Dade County’s Pre-Trial Detention Center...
Every year on Christmas Island, something almost unbelievable happens as millions of tiny red crabs begin to move across the landscape in one massive, coordinated wave...
You’re wading in a pond in the Amazon Rainforest when something slimy brushes against your leg. Then you feel another one. And another. You look down to see that...
It has blood red skin, webbed tentacles, and strange spines that make it look like something out of a nightmare. Meet the vampire squid. At first glance, this deep sea...
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...
On the morning of February 13, 2017, travelers moved through the crowded terminals of Kuala Lumpur International Airport without noticing anything unusual. Flights...
Twenty million years ago, the oceans were dominated by one of the most formidable predators in Earth’s history: the Megalodon. This massive shark, the largest ever known...
Since the beginning of time, Earth has created life and then wiped out most of it in catastrophic, ultra-destructive moments. Starting with the very first extinction...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
Let’s be honest, we are pushing our planet to a climate change catastrophe. But there could be a solution. 71% of the Earth’s surface is covered with water...
Throughout history, humanity has faced existential threats like giant asteroids and invisible viruses. Despite the danger, we always bounce back. But how much longer can...
