g ABODES - Exomoons - moons of alien planets - have many hurdles to habitability, such as eclipses and tidal heating, that are different from the planets they orbit. See article.
g LIFE - New research examines how primitive cells could have evolved without structures like protein machinery or cell walls. The study could shed light on how the earliest forms of cellular life on Earth may have replicated. See article.
g MESSAGE - Here's a neat Web site: "Interstellar Messaging." You'll find discussion, history and real-world examples of mankind's methods and ongoing attempts to communicate with extraterrestrials. See article.
