When you buy through links on our articles, Future and its syndication partners may earn a commission. Earth has four seasons due to its 23.5-degree tilt and the shape of its orbit around the sun. But ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

Slow orbital changes caused pulses in Earth's oxygen cycle 500 million years ago, which spurred explosions of animal life.

An illustration of the analemma—a figure-eight pattern formed by plotting the sun’s position at the same time each day over a year. We’re all familiar with the sun’s daily motion in the sky. It rises ...

Did you know that there are actually two different sets of seasons, and thus two different winters, every year?

It sounds strange at first because it’s actually the hottest time of the year. One would think it’s actually the opposite. This little marvel is due to the fact that the Earth’s orbit around the sun ...

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As winter approaches, a major winter storm has recently swept through parts of the Midwest and Central U.S., bringing heavy snowfall and creating travel chaos for millions returning home from ...

NEW ORLEANS (WGNO) – This Friday, June 20, at 9:42 pm CST is the official start of astronomical summer and marks the longest day of the year. The summer solstice occurs when the sun travels along its ...