In the 1850s British railway companies started introducing a single standard time to make their timetables consistent. Before that, every city would set its own clock based on the observation of th… ...

Millimeter deviations from the expected wobble of the Earth’s axis are giving geophysicists clues to what happens 1,800 miles underground, at the boundary between the Earth’s mantle and its ...

The Earth had its shortest ever day on June 29, 2022, a scientist said. That day, a Wednesday, was 1.59 milliseconds shorter than ever before.

Wednesday, June 29, 2022, was slightly shorter than any other day by a mere 1.59 milliseconds, all due to a slight "wobble" of the Earth, according to scientists. An average day is 86,400 seconds ...

The cause of the Chandler wobble, a disturbance of motion exhibited by Earth as it rotates on its axis, lies at the bottom of the ocean July 18, 2000 Web posted at: 3:39 p.m. EDT (1939 GMT) ...

WASHINGTON - The century old mystery of Earth's "Chandler wobble" has been solved by a scientist at NASA's Jet Propulsion Laboratory in Pasadena, California. The Chandler wobble, named for its ...

Earth’s wobble has affected climate, navigation and our calendar. ... If it were left to its own devices, Earth’s axis would always point in the same direction in space.

In 2019, scientists detected a strange wobble deep below the Earth's surface that repeats every 8.5 years. They just found an explanation.

Last month I wrote about why the Tropic of Cancer and the Tropic of Capricorn are related to the 23.5 degree tilt of the Earth’s axis: The Sun’s furthest point north or south, called the ...

It takes 26,000 years to complete the wobble. Today the axis is pointed toward the star Polaris. But thousands of years ago when the Egyptians built the pyramids the north star was Thuban in Draco ...

The century-old mystery of Earth’s “Chandler wobble” has been solved by a scientist at NASA’s Jet Propulsion Laboratory in Pasadena, Calif. The Chandler wobble, named for its 1891 ...