Articles sur alien life

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Artist’s rendition of one of the billions of rocky exoplanets in our galaxy. Did life once exist on its surface? NASA/JPL-Caltech

RIP E.T. – alien life on most exoplanets dies young

Complex life may be rare in the universe because most planets become either too hot or too cold before life has a chance to get a foothold. This might explain why we have yet to bump into E.T.
Alpha Centauri is actually the outer star (bottom right) of The Pointers, which point to the Southern Cross. Y. Beletsky (LCO)/ESO

Is Alpha Centauri the right place to search for life elsewhere?

A US$100-million plan has been announced to send tiny probes out in space in search of life elsewhere in the universe. But are they looking in the right place?
The light shining through an exoplanet’s atmosphere can give us a hint of whether the planet supports life. NASA, ESA, and G. Bacon (STScI)

Cloudy with a chance of life: how to find alien life on distant exoplanets

A hint of oxygen and a whiff of methane in a distant exoplanet's atmosphere may be the first evidence we discover of alien life.

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