The famed astrophysicist Carl Sagan and former President ... and it still transmits data back to Earth. It carries a golden record with messages from our planet, including one from Carter.

Carl Sagan spent ... primary colors than Earth—with removable heads but decidedly human forms. “I didn’t realize then the chauvinism of making people on another planet like us.” ...

Astronomers have detected a 'coherent' radio signal from a distant planet, reigniting hope for the existence of ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

And yet, evidence seen around the globe in ancient rock show that the Earth had abundant water flowing 3.2 aeons ago. As well as this, Sagan and Mullen point out, we have algae fossils dating back ...