That day, a Wednesday, was 1.59 milliseconds shorter than ever before. It happened because the Earth isn't perfectly spherical and can "wobble" on its axis. The Earth had its shortest ever day this ...

Earth's axis — the invisible line around which it spins — is bookended by the north and south poles. The axis tilts, and thus the pole shift, depending on how weight is distributed across Earth's ...

A revolutionary new study led by Technical University of Munich and University of Bonn scientists has succeeded in measuring the subtle wobble of the Earth’s axis without using complex radio astronomy ...

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 iron core.

When you picture the Earth spinning in space you imagine it rotating just like a globe does, with two static poles and a line running from north to south. Unfortunately, things aren't nearly that ...

When the Earth rotates, it doesn’t just spin. The Earth also wobbles on its axis like a top, and now a NASA study has clarified just what causes that wobble. The study identifies three separate causes ...

The cyclic wobble of the Earth on its axis controls the production of a nutrient essential to the health of the ocean, according to a new study in the journal Nature. The discovery of factors that ...

The Earth doesn't just spin while on its axis, it wobbles. And scientists at NASA say they've identified three reasons why it happens. A study published in the November issue of the journal Earth and ...

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 iron core.