Looking on the internet deeply has found these results:

On earth is the most popular phrase on the web.

On the earth 116,800,000 results on the web	On earth 17,800,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
But this ship's going to fall on the Earth and kill everyone. On the earth and not on him. When you put us on the earth, you can have them... On the earth and not on him. But there still remained swindlers on the earth. But it is still sometimes on the Earth. You do not know what evil will be on the earth. The night and day sequence creates some phenomena on the Earth.	On earth men and women are equals. On earth, as the sun sets,... millions prepare for a weekly event which is far less predictable. On earth, Dejiko stays with Kiyoshi and Yasushi Omocha in their toy shop, while Puchiko stays at the Ankorodo Cake Shop. On earth there is not a single space for him. On earth, your unsubordinate behavior would get you chimpmartialed. Spain is the mightiest country on Earth. On earth there are no realities with which we can configure it. On earth and in hell Satan gives the high places.

On the earth

116,800,000 results on the web

On earth

17,800,000,000 results on the web

More popular!

On earth men and women are equals.
On earth, as the sun sets,... millions prepare for a weekly event which is far less predictable.
On earth, Dejiko stays with Kiyoshi and Yasushi Omocha in their toy shop, while Puchiko stays at the Ankorodo Cake Shop.
On earth there is not a single space for him.
On earth, your unsubordinate behavior would get you chimpmartialed.
Spain is the mightiest country on Earth.
On earth there are no realities with which we can configure it.
On earth and in hell Satan gives the high places.