Infrared Astronomy - All about infrared astronomy from NASA's infrared astronomy center: Discovery of infrared, what is infrared and infrared astronomy, history, the infrared universe, gallery, activities, discoveries, missions and a lot of links to IR astronomy sites.

Astrobiology at NASA - Astrobiology is the study of the origin, distribution, and destiny of life in the universe. It uses multiple scientific disciplines and space technologies to address fundamental questions of the origins of life.