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

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

The night sky is about to reveal a secret that has been drifting through the cold vacuum of space for nearly the entire ...

Earth’s orbit around the Sun isn’t a perfect circle—it’s slightly elliptical. Each year, around July 2 or 3, Earth reaches its farthest point from the Sun, known as aphelion. Around January 2 or 3, ...

Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

As we get closer to the end of the year, the days get shorter and shorter. Meanwhile, they get longer and longer as we get into the spring. This is all due to the angle of the sun in our sky. The sun ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...