Brian Lacki has released a set of three prepublication studies attempting to rationalize and measure the odds of a ...

How should we represent humankind to aliens? With Pioneer 10 and 11, Nasa fell short. Next time, we must do better ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...