Sign In

Communications of the ACM

ACM Opinion

Why Haven't We Encountered Aliens Yet? The Answer Could Be Climate Change

View as: Print Mobile App Share:
Sun and planet

Feeling the heat.

Credit: ESO/L. Calada

Enrico Fermi, when asked about intelligent life on other planets, famously replied, "Where are they?"

From The Conversation
View Full Article



No entries found

Sign In for Full Access
» Forgot Password? » Create an ACM Web Account