If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
What Earth do you live on? A round one? Flat one? Maybe your world is resting on the back of a huge cosmic turtle? What about a hollow Earth? Just a planet’s shell...
A crocodile may swim by unassumingly but make no mistake, they are on the hunt for their next prey. Crocodiles have heightened smell, sight and hearing, and can hold...
In five billion years, we’re gonna have a hefty problem on our hands. Well, only if we’re still living on Earth at this point. Our Sun will be on the brink...
People on Earth talk a lot about colonizing Mars. But What If it had already happened and the first humans had already settled down on the Red Planet?
Venus sits just one step closer to the Sun than Earth, making it our nearest planetary neighbor. At certain points in its orbit, it comes within roughly 40 million...
If you traveled 10,000 years into the future, what would planet Earth look like? Would most of its surface be covered in volcanoes? Or would it be frozen in ice? What if...
How do you distinguish between past, present, and future? Is there really an order to time? Does it only move forward? Does it move in any direction at all? Stop the...
Your hike in the woods ran a little late, and suddenly it’s pitch dark. You can’t see much, except for a pair of round, yellow lights. But they have started...
Even if you never realize you’ve been exposed to something toxic, your body will usually give warning signs. Symptoms like vomiting, difficulty breathing, sudden...
Stepping into Earth as it existed 200 million years ago would feel less like time travel and more like arriving on an entirely different world. There are no cities, no...
Neptune is big, it’s blue, and it is a planet that can tear you apart if you happen to drop into one of its massive, Earth-sized storms. While it might look calm and...
It’s a warm summer evening and you’re enjoying a barbeque with your family and friends. The sunny skies suddenly turn dark as a storm blows in. You hear thunder and know...
At first, it doesn’t look dangerous. Maybe it’s a self help seminar. A spiritual community. A group that promises happiness, purpose, and a place to belong...
The sky turns orange. A loud noise is coming from the distance and getting closer. You turn and see a wall of sand, rising meters (yards) above the ground, and you’re...
The air around you is so ordinary that you rarely think about it. Yet every breath, every sound you hear, every cloud in the sky, and every drop of liquid water depends...
Monday. Tuesday. Wednesday. Wednesday. Wednesday. Again? Wednesday. I feel like we’ve done this before. Wednesday. Does anybody else notice this? Wednesday. How do...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
For whatever reason, you are the last human on Earth. So what do you do? Eat like a king? Move into Buckingham Palace? Drive fast? Blow things up? Be naked all the time...
Throughout history, certain murderers have committed crimes so horrifying that their names became permanently associated with fear. They often appeared ordinary on the...
