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

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

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

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 reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

University of Texas Arlington provides funding as a member of The Conversation US. Right now, you’re zooming through space at incredible speeds. As just one of all the living creatures on Earth, ...