The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this ...

The speed at which glaciers move changes predictably each year, according to the first-ever global map of how glacier and ice sheet speeds vary with the seasons. Knowing this yearly rhythm could help ...

A new study adds evidence to the idea that Earth's inner core is slowing its spin, though still rotating in the same direction as the planet. KATERYNA KON / SCIENCE PHOTO LIBRARY via Getty Images The ...

A dramatic new video shows how Earth’s surface has changed over the last 1.8 billion years. The video reconstructs Earth’s surface evolution, and is presented as a relative plate motion model in a ...

NISAR will be able to monitor "changes as small as a centimeter in any weather, and in both darkness and light." The U.S. and India just sent a powerful new set of radar eyes into the sky. The NISAR ...

New studies, which utilized AI to monitor the effects of climate change on Earth's spin, have shown that our days are getting increasingly longer and that our planet will get more wobbly in the future ...

Five times stronger than the Gulf Stream and more than 100 times stronger than the Amazon River, the Antarctic Circumpolar Current (ACC) is the most powerful ocean current on Earth. As it flows around ...

A geomagnetic superstorm is an extreme space weather event that occurs when the sun releases massive amounts of energy and charged particles toward Earth. These storms are rare, occurring about once ...

HOUSTON—A first-ever joint NASA-Indian Space Research Organization (ISRO) Earth science venture is set for a July 30 launch. The NASA-ISRO Synthetic Aperture Radar (NICAR) mission is planned to take ...