g Stars - ESO has released a striking new image of a nearby galaxy that many astronomers think closely resembles our own Milky Way. Though the galaxy is seen edge-on, observations of NGC 4945 suggest that this hive of stars is a spiral galaxy much like our own, with swirling, luminous arms and a bar-shaped central region. See article.
g Life - Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, providing fresh support for Charles Darwin's theory of evolution. See article.
g Message - What sort of signal would satisfactorily announce an extraterrestrial intelligence as detected by radio-emission or light reception? For an opinion article on what sort of signal is a SETI hit, see article.
g Aftermath - What happens if the next signal turns out to be the real thing? What happens if the sender wants to talk? Will we know what to say? See article. Note: This article is from 2004.
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