Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

Add Yahoo as a preferred source to see more of our stories on Google. The sun shines above the Earth’s horizon. Perihelion, the point when Earth is closest to the Sun, occurs annually in early January ...

As just one of all the living creatures on Earth, you're along for the ride as our planet constantly moves in two major ways. When you purchase through links on our site, we may earn an affiliate ...

We know it takes 3651/4 days to make one revolution around the sun. We call that a year. It's a long ways to go, especially when you consider that our orbit is oval-shaped. The speed may astound you.

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered 2025 PN7, a small quasi-moon that mirrors Earth’s orbit around the Sun. (CREDIT: ESA) Earth has just ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...