Far below sea level, they contain some of the harshest environments on Earth, with no oxygen and no light.

VOA: special.2010.11.10

"Farewell,General Lee! I wish for your sake and mine that every damned Yankee on earth was sunk ten miles in hell!"

VOA: special.2009.12.24

In a place called the Mariposa Grove, visitors can see some of the largest, tallest and oldest living things on Earth.

VOA: special.2009.01.07

Whether grown naturally or through technology, people who love orchids say they are the most beautiful flowers on Earth.

VOA: special.2010.04.06

It uses objects from the museum's collection to show how Darwin helped us understand the history of life on Earth.

VOA: special.2009.12.01

This week, we will tell about newly-found organisms that are said to be among the oldest living organisms on Earth.

VOA: special.2009.05.12

Volcanoes on Mars suggest to Sam that the same kinds of processes that take place on Earth happen on other worlds.

VOA: special.2010.07.28

He promised to spend his remaining years in search of designs that could make human existence on Earth easier.

VOA: special.2010.05.30

Clay answered that no power on earth could force him to vote to establish slavery where it did not exist.

VOA: special.2009.03.19

The Everglades is the only place on Earth where fresh water alligators and saltwater crocodiles live in the same area.

VOA: special.2009.06.30

Back then,there was much hope that humans would return soon and make a home on Earth's only natural satellite.

VOA: special.2010.04.28

Because of Kahn,experts say, one of the poorest countries in the world has one of the most beautiful public buildings on Earth.

VOA: special.2009.12.13

Back on Earth, space scientists and engineers worked around the clock to design and test new ideas to help the astronauts survive.

VOA: special.2009.07.22

A new report says mangrove forests store more planet-warming carbon dioxide than almost any other ecosystem on Earth.

VOA: special.2011.05.10