Alien civilizations are probably killing themselves from climate change, bleak study suggests
Astrophysicists estimate that any exponentially growing technological civilization has only 1,000 years until its planet will be too hot to support life.
Potentially habitable planets like Kepler 186-f (illustrated above) would feel the effects of climate change if an alien civilization started creating energy on its surface.
It may take less than 1,000 years for an advanced alien civilization to dest... [3715 chars]
