Every January, Earth reaches its closest point to the Sun, known as perihelion. Yet, it’s winter in the Northern Hemisphere.

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

An animation showcases how the seasons change with Earth's orbit around the sun. Earth's axis tilt causes very specific weather patterns and daylight during the course of a year. Most places ...

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 ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

Friday is the day of the summer solstice, traditionally known as the first day of summer. But what makes it so significant for summer and what does it mean for us in Houston? Here are five things to ...

Tis the time of year for making merry, and also for changing seasons. That’s what we’re doing today, Sunday, Dec. 21, at 9:03 ...

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 ...

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

For winter, the start date usually falls on December 21 or 22, but every so often, it can sneak in as early as the 20th or as ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...