What If Pangea Never Broke Apart?

Millions of years ago, the Earth looked very different. A huge landmass, called Pangea, covered about a third of our planet. But about 175 million years ago, the Earth...

What If Air Pollution Was Visible?

Don’t you just love fresh air? And feeling healthy? If only that were possible. That deep, relaxing breath you thought you just took, is full of microscopic...

What If Planet Nine Exists?

Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than Earth’s. Planet Nine, also known by its...