Voyager 1 and 2 have traveled farther than any human-made object—well beyond the planets and into interstellar space. But ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

They were also not the first missions to carry a message intended for extraterrestrial beings should they reach interstellar ...

The cover of the Golden Record shows a map of pulsars, for aliens to know where we sent this probe from, as well as how to ...