Is it humankind's greatest achievement 12 billion miles away a tiny spaceship is leaving our Solar System and entering the void of deep space. It is the first human-made object ever to do so. Slowly d...

Isithumankind’sgreatestachievement?12billionmilesawayatinyspaceshipisleavingourSolarSystemandenteringthevoidofdeepspace.Itisthefirsthuman-madeobjectevertodoso.Slowlydyingwithinitsheartisaplutoniumgene...