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

Climate change is causing so much polar ice melt that it’s slowing down Earth’s rotation and — here’s the kicker — it will alter how we measure time in the future. That’s the outrageous conclusion ...

The Earth is spinning around at over 1,000 miles per hour, but outrunning the rotation is only possible in short bursts on ...

Using new data from NASA’s Cassini spacecraft, researchers believe they have solved a longstanding mystery of solar system science: the length of a day on Saturn. It’s 10 hours, 33 minutes and 38 ...

An instantaneous cessation of Earth's rotation would result in catastrophic, planet-wide devastation due to the inertia of objects on the surface moving at high speeds (approximately 1000 mph at the ...

Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...

Imagine the catastrophic winds of a category 5 hurricane. Now, imagine even faster winds of more than 100 meters per second, ...

Uranus is the only planet that rotates sideways with a 98-degree tilt. Learn why Uranus spins this way, how its seasons last ...