The fierce winds of a hurricane are known as tropical cyclones in some parts of the world, so you might expect them to sweep across the entire tropics. But there's one area of the tropics where ...

Add Yahoo as a preferred source to see more of our stories on Google. Did you know a hurricane has never crossed the equator? Here's why. https://t.co/Tf3sNLZzXF pic ...

Butterflies closer to the equator have been shown to evolve shared wing patterns faster than their relatives at higher latitudes. That gradient reframes tropical diversity as an active process, shaped ...