Our planet has seen this before. Its ice has already melted. Water levels have risen. Ocean currents have already stopped. The last time this happened was 13,000 years...
About 65 million years ago, a mass extinction event occurred, wiping out more than 75% of all species on Earth. There have only been 5 mass extinctions in our...
The miracle of life. A 40-week process where you developed from a single cell to fully formed human baby. All within in your mother’s womb. Now, imagine you were...
What would happen if our planet got too close to a black hole? According to science fiction, we’d be sucked into a parallel universe, or maybe even the future. But...
Mars is usually a safe 225 million kilometers away from Earth, but what if the red planet went off course and headed straight toward us? This nightmare scenario would...
In six hours, you, your government, and 124 million other people across 14 states will be tested by the greatest disaster to ever hit the U.S. East Coast. A great wave...
Taller than a six-story building. Longer than three school buses. Ten times as heavy as an elephant. The largest dinosaur ever is coming back from extinction. What would...
Scroll down to watch the video. We’re talking about a fish that’s much, much smaller than a great white shark, but that’s got a bite about two times...
The Arctic might soon become completely ice-free. And when all of the ice is gone, the world won’t be the same. But what if I told you there was a way to prevent...
Body-crushing pressure. Toxic atmospheres. Unbearable temperatures. That’s what would be in store if you visited other planets in our Solar System. But what other...
Today we’re dropping a big bomb into the deepest part of the ocean. So grab a surfboard and get ready to hang ten on the waves of a massive nuclear tsunami. How would...
Nuclear weapons are the most powerful and frightening tools ever created by humanity. With over twelve thousand warheads spread across the globe, these devices hold...
By the year 2035, NASA plans to send humans to Mars. But it would be about a nine-month trip with our current rocket technology. However, in the not-so-distant future...
Every year, around 140 million babies are born worldwide. And if we continue at this pace, 50 years from now the global population will reach 10.5 billion people. The...
What would happen if you took the most energetic light source in the Universe and smashed it into a massive gravitational monster? Well, you might reverse the flow of...
We’ve thrown a lot of disasters at Earth over the years: from asteroids and aliens, to the Sun’s death. But hey, the Universe is a dangerous place, and we’re not...
Welcome to the Solar System construction zone. Today you’ll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like...
Imagine a world where you’re not even human. You can create universes with ease and control time. This could be a reality in an incredibly advanced, and I mean an...
Mars has long captured the imagination as humanity’s potential next home. The red planet looks inviting from a distance, but the reality is far from hospitable. Even a...
We can build really big things in space. Okay, not that big – yet. But we’ve packed the Earth’s lower orbit with about 5,000 satellites – some...
