Isn’t it beautiful? Look at this cutie! Enjoy it while you can. Because if we don’t act right now, in less than 80 years, we won’t be able to...
Just four light-years from Earth lies the closest known exoplanet, Proxima Centauri b. It has captured imaginations because it could be one of the first exoplanets where...
What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...
Somewhere in the far reaches of space, a giant hunk of rock is hurtling our way, just biding its time before an extinction-level impact with Earth. Before you run into...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Betelgeuse, Betelgeuse, Betelgeuse. Unlike in the movie, you don’t have to say it three times to make it...
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...
It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...
Slavery, America’s original sin, was outlawed by President Lincoln on New Year’s Day in 1863. But the repercussions of this brutality and dehumanization...
Something is very wrong with our Sun. It’s turned into a spinning lighthouse of death. What would make the Sun so much more deadly than usual? Would there be any way...
Deep beneath your feet is a subterranean melting pot. A fiery inferno ready to boil over at any moment. Anywhere or anytime. Imagine that today is the day the ground...
What if in a stunning move, Russia, one of the largest energy producers on Earth, decided to cut itself off from the world? This heavily armed dictatorship has declared...
The year is 2040. You hunker down with your fellow human survivors, listening for the sound of your enemy. The cyber-bugs have taken over. How did this happen? What...
Would you take your next vacation to this slimy beach? Well, what if most of our beaches were starting to look like this, because our oceans were quickly being taken...
Breaking news. Flags are flying at half-staff. The world mourns the death of a beloved monarch. Queen Elizabeth II has passed peacefully in her Balmoral Castle in...
How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but...
Unlike Earth, which is orbiting the Sun, there are billions of rogue planets roaming the Milky Way not bound to any host star. One of them has been spotted on the edge...
Throughout history, there have been many incredible civilizations that have shaped the way we live today. One was Ancient Rome, a once majestic and thriving city whose...
13.8 billion years ago, the entire Universe emerged from one single point in space. This theory is known as the Big Bang. And it’s the most widely accepted story of the...
The Sun’s core is shrinking. But as its core shrinks, the Sun itself grows larger. And it will continue to grow, until one day, it engulfs the Earth. How long can you...
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...
