Tags: earth

Earth Day Activities

Earth Day activities for kids help us celebrate Earth Day — a special observance on April 22 each year. It was created to inspire us to show our appreciation of...

Hollow Earth Theory

In the early 19th century an American eccentric, John Cleves Symmes (1779-1829), sought funding for an expedition to enter the Earth through one of two 4,000-mile wide polar holes. Inside...

Can scientists create a star on Earth?

At the center of our solar system is an enormous nuclear generator. The Earth revolves around this massive body at an average distance of 93 million miles (149.6 million kilometers)....

Earth Explained

Earth is the third planet from the sun, and the fifth largest. It is a terrestrial planet, meaning that it is solid enough to land on, with only one moon....