Earth wobbles on its axis like a spinning top, a motion called precession. This wobble takes about 26,000 years to complete one full circle. Different stars have served as the North Star throughout ...
Imagine an astronaut lost on another world when their communication systems fail. In most cases, they won’t be able to use a compass for directions, since that depends on magnetic fields. In this ...
In 1994, Norwegian explorer Erling Kagge completed the “Three Poles Challenge,” becoming the first person to reach the North Pole, South Pole and summit of Mount Everest on foot — without using dogs, ...
Most people have never seen the Little Dipper, because most of its stars are too dim to be seen through light-polluted skies. Earlier this month, we spoke of Ursa Major, the Big Bear, so this week we ...
The Pole Star, also known as Polaris, is a fascinating astronomical body that has served as a guiding light for centuries. Situated near the north celestial pole, it has been crucial for navigation ...