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

The other two known interstellar comets did not offer such an opportunity.

The Moon’s gravitational pull on Earth, combined with other forces, causes our surface water to be redistributed into bulges ...

The rare 3I/ATLAS alignment on Jan. 22 coincides with the 'opposition surge' phenomenon. Learn the mystery of this 13-billion-year-old visitor.

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

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

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, ...

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 ...

3I/ATLAS will enter a rare opposition phase, aligning on the axial path of Earth and Sun on Jan 22 (EST) or Jan 23 at 5 am ...

LOUISVILLE, Ky. (WAVE) - During winter, the low sun angle can create significant sun glare, which poses a serious hazard for drivers during morning and evening commutes. Glare on a windshield can ...