Google Earth is host to some odd images, if you know where to look for them.

Learn how to cut expenses and save money by shopping in secondhand stores, cooking at home, avoiding disposables, and ...

A new high-resolution computer model shows rocks that are colder, or have a different composition, in Earth's mantle where ...

On the outskirts of Melbourne, Australia, there is a series of large rings which rise mysteriously out of hills.

After a decade-long legal struggle, the Octagon Earthworks in Newark, Ohio, is now fully accessible to the public, allowing visitors to explore the mounds of earth constructed by Native Americans ...

Earth Day is on April 22—celebrate the day with these Earth Day quotes that remind us to take care of our beautiful planet ...