Follow the history of Project Mercury step-by-step, with plenty of links throughout if you are curious about specific terms or particular astronauts.
Take a look at space flight through the eyes of Scott Carpenter, the second US astronaut to orbit earth.
Although this NASA site was built five years ago these resources are all still relevant. They include videos, interviews, and photo slideshows in addition to articles, and the original 1960's press releases.
The Kennedy Space Center has been the launch site of all human-manned space flights since 1968, so it is one of the best sources of information on manned space flights, including the very first ones launched as part of Project Mercury.
See what the Mercury spaceflight program looked like by scrolling through this huge collection of large high-resolution full-color and black-and-white photographs from the Atlantic magazine.
Surfnetkids.com recommends five websites about Project Mercury.