Photosynthesis zones and turning to the past in the search for life beyond Earth

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - A camera riding on the world's first deep space solar sail has caught managed to observe a violent gamma-ray burst, one of the most powerful explosions in the universe See article.
g Abodes - By calculating where photosynthesis might be possible around the galaxy, scientists are developing a new way to figure out where Earth-like planets with life might be located. See article.
g Message - Among the most important SETI work is being done at Harvard University. See Harvard SETI page.
g Cosmicus - Astrobiology Magazine’s field research editor Henry Bortman is spending a week alongside members of the Pavilion Lake Research Project (PLRP) in British Columbia, Canada. In Bortman’s fifth report, he talks with astronauts participating in PLRP. See article.
g Learning - The question of whether we are alone in our universe has fascinated humanity since the earliest of times. Stories of mysterious beings from the sky permeate the mythology of many cultures and make a regular appearance in fiction, while the number of UFO sightings continues to rise. Yet aside from the myths and sensationalism, the study of astrobiology--the search for life elsewhere in the universe--has become widely accepted as a valid and important area of research. Astrobiology encompasses cosmology, astrophysics, planetary science, palaeontology, chemistry, biochemistry, biology, genetics and anthropology. Monica Grady, head of petrology and meteoritics in the department of mineralogy at the Natural History Museum, presents a comprehensive online introduction to astrobiology.
g Aftermath - Among scientists involved in the Search for Extraterrestrial Intelligence (SETI), it’s quite common to be focused on the future, ever mindful that it could take years, or even decades, to find a signal from otherworldly intelligence. But if historian Steve Dick has his way, astronomers will also turn their attention toward the past as they search for life beyond Earth. See article. This article is from 2003.

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