At the farthest edge of the Sun’s influence, the Voyager probes have stumbled into something that sounds almost mythic: a sheath of gas heated to tens of thousands of degrees, a kind of invisible ...

As Voyager becomes the first human-made object to enter interstellar space, it also carries the first human-made mixtape destined for such depths of the universe. A recent article in Voice of America ...

The call of a humpback whale, a Navajo night chant and the brain waves of a woman falling in love… these are just some of the sounds recorded on NASA’s Golden Record, the phonograph time capsule ...