For decades, scientists assumed that Earth’s magnetosphere had the same charge polarity from pole to equator. That assumption has now been overturned by a discovery that shows the magnetic behavior of ...

Learn how we know the Earth is round, and the science behind the shape of our gravitational field.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Kinga Krzeminska/Getty Images The equator is the imaginary line that horizontally ...

Melting ice caps changing planet's shape. Aug. 7, 2011 — -- Like many of its inhabitants, the Earth is getting thicker around the middle -- that's what a new study says. The increased bulge is ...

Geodesy is the study of Earth’s shape and size, and of variations in its gravitational field. Earth was originally believed to be flat, but many clues, such as the way ships appear and disappear on ...

Enormous seismic events that took place at the equator are responsible for the plummeting global temperatures that have marked each of Earth’s ice ages, according to a new study. As the plates of the ...

Spring has finally sprung, which means days will keep getting longer from now until the summer. The season officially commenced as the sun shone directly over the equator and daytime and nighttime ...

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It is difficult to believe that this will be the last space shuttle launch. Clearly, I must do something to commemorate this event. But what? How about I look at space ships in orbit and consider the ...

Winter is officially coming. The Northern Hemisphere blew by the longest day of the year with June’s summer solstice and is now coming up to the fall equinox on September 22—the day when the sun ...