The aliens are silent because they're dead

Life on other planets would likely be brief and become extinct very quickly, say astrobiologists from The Australian National University (ANU).

Goldilocks moons

The search for extraterrestrial life outside our Solar System is currently focused on extrasolar planets within the ‘habitable zones’ of exoplanetary systems around stars similar to the Sun. Finding Earth-like planets ...

Are we alone? Setting some limits to our uniqueness

Are humans unique and alone in the vast universe? This question—summed up in the famous Drake equation—has for a half-century been one of the most intractable and uncertain in science.

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