Can We Eavesdrop On E.T.?

Simulation assesses odds of intercepting interstellar communications. Image credit: Yellowstone National Park via flickr | ://bit.ly/1uREyxx Rights : ://bit.ly/NL51dk It may the biggest and oldest question in science: Are we alone in the universe?If the answer is no, a second question arises: Who else is out there?Such questions have motivated a decades-long search for radio and light signals from intelligent beings on other planets. In a recent paper, Duncan Forgan, an astronomer at the Univers...