This is a draft report of the Life in Extreme Environments (LExEn) workshop held at the National Science Foundation. It proposes questions such as: What conditions determine the limits of life? What is the functional...

This article explores microbial life in extreme environments by summarizing the requirements for Life as we know it, such as chemistry, water, and oxygen. It also introduces extremophiles and lists the environmental...

This article explores microbial life in extreme environments associated with salinity, acidity, alkalinity, high temperature, low temperature, radiation, gravity, and pressure. It also introduces the role of...

This site features a short article where Bruce Fouke of University of Illinois studies microbe metabolism in Mammoth Hot Springs of Yellowstone National Park for connections to extraterrestrial life. This website also...

This is the home page of Antarctic researcher Brent Christner. His site provides detailed reviews of ongoing research involving the identification of microorganisms in cold environments such as glacial ice, cryoconite...