Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more ...

Another invisible line is the Qinling-Huaihe line, which separates China into two distinct regions: the humid and subtropical south and the dry, temperate north.

BBC Bitesize takes a look at five shapes that naturally appear around us, and what they tell us about the world. When a tree is cut down, you can see circular rings on their stumps. It’s well ...

Shapes are everywhere. If you look around, you may be able to see circles, squares and even triangles in the furniture or the flooring. If you step outside, into a garden, park or even the grounds ...

What once applied to about $500 million in U.S. foreign assistance, under Trump affected around $8.8 billion ... planning and HIV programs across the world, which it estimated could have prevented ...