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.

(WKBN) – If you have thought that the Earth is close to the sun in the summertime and that is why it is hotter this time of year, you will have to think again. While that may sound like common sense, ...

Happy Aphelion Day! Did you know that the Earth is the farthest away from the sun right now? This may seem strange because it’s actually the hottest time of the year. This little marvel is due to the ...

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 ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

A clear look at the discovery of 40,000 near-Earth asteroids, how scientists track them, and the missions working to keep our ...

I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.