Dr. Robert Ballard returns to the Titanic after his famous discovery in the 1980s. Dr. Ballard and scientists from NOAA spent eleven days conducting scientific analyses of its deterioration. Three lesson plans are available that focus on...

Clearly describes hot springs on the ocean floor called hydrothermal vents. Details characteristics of the vents and how they work.

Check out 10 things you may not know about the explorer who sailed the ocean blue in 1492 for example, Columbus didn't set out to prove the earth was round.

A brief biography of one of the successful Spanish conquistadors, Vasco Nunez de Balboa. He is recognized for his discovery of the Pacific Ocean and land in the Americas.

Deep under the ocean there is no light for plants to perform photosynthesis. This site is a good overview of the alternative energy method, chemosynthesis. Read all about it.