What did England and Italy have in common during World War I? They both made use of navies! Find out all the details by watching an informative video about the important machinery navies from many prominent countries used to fight in...

If you had $600 million to spend, what would you use it for? James Cameron used it to pay for an expedition to the Mariana Trench, an area that scientists have explored less than the moon. Video offers a quick overview of the expedition...

The USS Alligator was the U.S. Navy's first submarine in the Civil War. There's a mystery surrounding its inventor and the innovative technology involved.