In the wake of NASA’s exciting Voyager 2 discoveries, we honor the birthday of one of society’s most prominent astronomy figures: Carl Sagan. In addition to his role as a worldwide leader of ...

Astronomer and science communicator Carl Sagan had – and almost three decades after his untimely death, still has – a great many fans amongst the general public. Sagan's fellow scientists, on the ...

On what would've been the astronomer's 90th trip around the sun, here's a look at his legacy as a scientist, advocate and communicator. When you purchase through links on our site, we may earn an ...