Astounding Stories Of Space and Time

An Earthling with the uncanny ability to identify the dangers of newly discovered planets by immediately falling prey to them, often with painful results.

A dying civilization on Mars awaits the coming of the Earthmen

A science fiction short story by American writer Fritz Leiber.
Earth becomes a rogue planet, having been torn away from the Sun by a passing dark star.

Sometimes, everything is nothing. Earth has been neatly organized to control and provide all its inhabitants could wish for. Why is Allen Kinderwood so unhappy?

A derelict space cruiser hangs in orbit above the planet. Many have tried to breach its hull and lay claim to the riches within – but none have returned.

Can we escape fate and reshape our future?
Love triumphs in this story by Murray Leinster

When it breaks in space, who ya gonna call?
An otherworldly tale by Harry Harrison

Do alternate realities exist? And would we believe the proof if we saw it? 
Something to ponder, in this story by H. Beam Piper

Strange disappearances in the remote Andes lead to a startling discovery that defies belief, in this classic Sci-Fi tale by Henry Kuttner

Part 3: As the five year deadline is about to expire, the scientists gather anxiously to see the results of their experiment.