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Posts Tagged "life in universe"

Life, Unbounded

Is AI Dangerous? That Depends…

earth-ai-web.001

Somewhere in the long list of topics that are relevant to astrobiology is the question of ‘intelligence’. Is human-like, technological intelligence likely to be common across the universe? Are we merely an evolutionary blip, our intelligence consigning us to a dead-end in the fossil record? Or is intelligence something that the entropy-driven, complexity-producing, universe is [...]

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Life, Unbounded

Will We Find Extraterrestrial Life In 2015?

ESO

Probably not, but just possibly yes. One of the reasons that the search for life elsewhere in the universe is so exciting is that it would take only one chance discovery, one lucky break, for all the walls to come tumbling down. But where is that revolution going to come from? Perhaps the best news [...]

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Life, Unbounded

The Cusp of Knowing and the Evolution of Science

(Credit NASA/JPL)

In a nice piece on his Scientific American blog ‘Cross-Check‘, John Horgan recently gave me some much appreciated praise, whilst provoking discussion on a contentious subject – whether or not big science as we’ve known it ‘may be coming to an end’ (John’s words). Wrapped into this assertion is the idea that fundamental physics and [...]

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Life, Unbounded

Exomoons Can Spoof Exoplanet Biosignatures

earth-titan.001

Astronomers hope that one day soon we’ll obtain a spectrum of light that might tell us whether or not an Earth-sized exoplanet harbors life. This spectrum could be of starlight filtered through the planetary atmosphere, or of reflected and emitted radiation. In either case it would probe the chemical composition of an alien world. The [...]

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