The fall equinox marks the first day of Autumn. When does fall officially begin in 2025? This visual guide will get you oriented.

The autumnal equinox, aka astronomical fall, is the specific moment determined by Earth’s tilt and its position during its ...

We are continuing to see hints of fall in KELOLAND.But when it comes to the start date of autumn, there are actually two ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

Most places on Earth have seasons because our planet is on a tilt as it orbits the sun. But our star also has its own version ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from.

Monday marks a changing of the seasons with the arrival of the Fall Equinox. Equinoxes are the only times when both the north and south poles are lit by sunshine at the same time. Do you know the ...

Even if the leaves haven't yet begun turning where you live, Labor Day is over, school is back in session and fall is almost here. The official arrival of the season is the autumnal equinox, which ...

First, let’s discuss Utopia Planitia on Mars, which is quite a large area in the northern hemisphere of the planet. Previously, the Zhurong rover landed here for exploration. Guess what? It found some ...

From Norway to Antarctica, uncover where the sun never sets. These stunning destinations show the magic of the midnight sun.

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Labor ...