What Was Earth Like in Cenozoic era?

Spanning more than 66 million years, the Cenozoic Era shaped the world we live in today. From the rise of mammals to the emergence of modern humans, this era tells a...

What If We Painted Earth White?

Imagine a white picket fence around a white house, with a white driveway and a white car. And it’s not just your house that’s white. It’s also the road...

What If You Met a Time Traveler?

If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...

What If You Moved an Entire City?

Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...

What If the Gulf Stream Stopped?

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...

What If the Moon Fell to Earth?

What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?