First Contact - Short Stories, #5

A hundred years after the doomsday attack,  the world is on the verge of another great war. Famine,  drought and natural disasters are plaguing the world after the short nuclear war. Humanity is on the brink of extinction from the planet.  When things are getting dire,  suddenly a lone ship appears on earth's atmosphere triggering a race to find out its secret. The question on everyone's mind is whether the ship is alien and why has it come to earth at that precise moment.
As the world races to Antarctica to unravel the mystery of the ship,  a startling revelation about the future of humanity is made which changes everything.