Did you know that there is a greeting in the Urdu language floating around in space currently, some 19 billion kilometers from Earth? How did it get there, and for whom is it intended are the two ...

Assalam alaikum. Hum zameen kay rehnay waalon kee taraf say aap ko khush amdaid kehtay hain (Peace be upon you. We the inhabitants of this Earth send our greetings to you). But in its outward journey, ...