The Drake Equation, named after its creator, radio astronomer Frank Drake, is an attempt to frame the question scientifically by assigning a value to all the relevant terms, from the number of ...

A little over half a century ago, these variables were assembled into a tool known as the Drake Equation, allowing scientists to fiddle and ponder. But one variable has been missing from the Drake ...

The Drake equation takes a series of factors that ... It is impossible to assign precise values to any of those variables. But researchers who have estimated have found that it suggests that ...