Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Every 8.5 years or so, the Earth emits a signal—the result of a “wobble” occurring in ...

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 solstice, is ...

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.

In 2019, scientists detected a strange wobble deep below the Earth’s surface that oscillates roughly every 8.5 years. Now, by mapping minute changes in the Earth’s rotation, the team has come up with ...

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 ...

Regular readers of my column certainly know how to use the Big Dipper to find the North Star (aka Polaris). Some folks believe Polaris is important because it’s the brightest star in the heavens, and ...

Strange variations across different measurements of the planet's surface have revealed periodic oscillations deep in Earth's heart. By studying minute changes in the length of Earth's day and the ...

As an astronomer — not an astrologer — I have to tread carefully when it comes to zodiac signs. So let's set aside questions about your future or love life and instead look at why the horoscope can be ...

A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites monitoring our world.