The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

LONDON — Find a globe in your local library or classroom and try this: Close the eyes, spin it and drop a finger randomly on its curved, glossy surface. You’re likely to pinpoint a spot in the water, ...

Google Earth, the interactive digital globe known for its sweeping satellite views and exquisite 3D flyovers, is turning 20 years old this month. To celebrate two decades of helping people explore ...