Each year, Earth reaches its closest point to the sun in early January, a moment called perihelion. In 2026, this occurred on ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

During winter in the United States, the Earth's Northern Hemisphere is tilted away from the sun. Less sunlight shines ...

It may be surprising to many that the Earth is closest to the Sun in January, while at the same time, much of the Northern ...