We didn’t just run—we ran the entire circumference of Earth! 24,901 miles of pure determination, sweat, and adventure. You ...

Therefore, the sun was not directly overhead in Alexandria on June 20. One can understand that if the earth is a sphere. In fact, from the angle of the sun’s rays from the vertical on June 20 and the ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

Learn about perimeters and how to calculate the perimeter of a simple shape with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Area of squares, rectangles and ...