What If Mars Orbited The Earth?

Could we move to our new moon one day? Or is this one of those scenarios where everybody dies in the end? “Fly me to Mars..” Ahem, where were we? Right, Mars...

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...