She said when large-scale atmospheric patterns shift, winds can blow from the north to south, causing cold Arctic air to ...

Do you know who is called the father of geography? Find out how Eratosthenes measured the Earth's circumference and created ...

In the tropics, the border between troposphere and stratosphere—the tropopause—sits at around 20km, far above any normal ...

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It’s easy to imagine the ...

As the summer sun scorches cities from Phoenix to Miami, and once‑cool northern towns wake to record highs, ...