Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does ...

We develop a model for an interstellar communication network that is composed of relay nodes that transmit diffraction-limited beams of photons. We provide a multi-dimensional rationale for such a ...

Future astronauts travelling to distant stars and galaxies at near-light-speed would be unable to receive communications from Earth until their ship reached its destination, with the exception of a ...

NASA has confirmed that after a pause in communications with Voyager 1 in late October, the spacecraft has regained its voice and resumed regular operations. Voyager unexpectedly turned off its ...