Site offers the latest astrobiology news, an introduction to and overview``of the study of astrobiology, discussions on the technologies used and``future missions, workshop links, educational resources, and an 'Ask an``Astrobiologist' feature.
"The Gateway to Astronaut Photography of Earth hosts the best and most complete online collection of astronaut photographs of the Earth. Beginning with the Mercury missions in the early 1960s, astronauts have taken photographs of the Earth. Our database tracks the locations, supporting data, and digital images for these photographs. We process images coming down from the International Space Station on a daily basis and add them to the 1,048,018 views of the Earth already made accessible on our website."