Comprehensive look at the planet Mercury, with many useful facts, figures, photos, and related links. Provides an account of how Mercury got it's name and a timeline of significant dates.

High levels of mercury exposure can cause birth defects, permanent brain or kidney damage, and/or death. This resource focuses on the impacts of mercury in the environment. Learn how mercury can reap havoc on lakes and other aquatic...

New analysis of data returned by the Mariner 10 mission. Includes several photo images. Examines the possibility of volcanism in the history of Mercury and comparisons to Hawaiian and Lunar volcanic events.

This site has links to many, many NASA resources about the Mercury program. Detailed information on each of the Mercury missions as well as a large number of images are available from this site.

A nice concise summary of basic information on mercury, including sources, history and uses, as well as information on mercury poisoning.

This resource provides information on Mercury.

[Free Registration/Login may be required to access all resource tools.] How mercury poses a threat to human health.

This site provides a user navigated slide show with animations providing basic information about the element Mercury.

A single mosaic image made from 18 pictures as Mariner 10 approached Mercury.

Provides a chronology of Project Mercury, including information on major events leading to Project Mercury, the research and development phase of Project Mercury, and the operational phase of Project Mercury.

The story of America's first astronaut to orbit the earth during the Mercury Space program. After launching the program click on continue or on the numbers to learn about the story of the Mercury program and the first American to orbit...

[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.

[Free Registration/Login may be required to access all resource tools.] Recognize the characteristics of the planet Mercury.

The article on this website provides a detailed description of the contributions that Langley provided to the Mercury Space Missions.

Basic facts about the planet Mercury including its size, its name, and its atmosphere. Includes a discussion question on its visibility from Earth, with facts, and the answer. A linked page covers similar material in a "Level 2" version,...

Windows to the Universe briefly details the structure of the interior of the planet Mercury.

Listen to many of the original Mercury Theatre of the Air broadcasts, with Orsen Welles, John Houseman, Agnes Moorehead and others. Also on the site you can find broadcasts of many of the programs from Campbell Playhouse, which is what...

NASA offers a photo gallery of Mercury images. Each image includes a detailed caption describing what is being seen, and this caption is also available in streaming audio.

Here you can look at the patches issued for Mercury Missions 3-9.

Single image mosaic from NSSCD Mariner 10 collection. Shows detail of an impact basin with typical ray structures. Thumbnail image links to large graphic file with more detail.

This site from NASA provides details of the preparation for the second flight of a Mercury spacecraft, Liberty Bell 7.

This page from NASA provides a chart of statistical information on planet Mercury. Its mass, diameter, average temperature, and distance from the Sun are among the characteristics listed.

Resource compiles a list of most frequently asked questions about Mercury. Each question is linked to an astronomer's answer. Kids can explore many aspects of this wonderful planet.

This site from NASA contains the text of the book "This New Ocean: A History of Project Mercury" by Loyd S. Swenson Jr., James M. Grimwood, and Charles C. Alexander.