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 ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger Didymos around the sun.

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion. We are slightly nearer to our star and receiving more solar energy than we ...

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, ...

Smashing a spacecraft into a binary asteroid system has managed to alter its path around the sun, a new analysis reveals ...

NORFOLK, Va. — The earth’s journey around the Sun is not a perfect circle. Instead, our planet follows a slightly oval-shaped path called an ellipse, meaning our distance from the Sun changes ...

A strip of cool water stretches west from South America along the equator, helping set the pace for some of the planet’s most ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth is today at aphelion, the point in its orbit at which ...