A fearsome thing is a thing you're afraid of--and it has nothing whatever to do with whether others are afraid, nor with whether it is in fact dangerous. It's your view of the matter that counts!
In exchange for the promise of an almost limitless fuel, earth agrees to allow the alien Grdnzth people to gather on earth for transit to a planet as their is going to be destroyed. The Grdnzth are ugly, looking rather like reptiles. They also pop in anywhere, anytime unannounced. It's the job of PR men Pete Greenwood and Tommy Heinz to get the public to accept the Grdnzth and the inconvenience...
An expedition team of scientists is exploring the planet Mercury. The constant rumblings of earthquakes and wind have shaken their ship, the Albireo. A small explorative party departs on tractors. It's then when the volcanic reaction starts. And it looks like the end of the team unless man's intelligence can beat the malevolent nature of a fiery planet!
At least a contributing factor to the current cycle of science fiction movies being made in Hollywood is the touchiness of minorities having their nationals being portrayed as villains. Cinema-makers are now trying to avoid further boycotts by using space aliens for villains. But suppose some of our Extraterrestrial neighbors are also a bit touchy?
Zarlah the Martian is narrated by a young scientist who had hoped to make his fortune creating an unbreakable substitute for glass. By happy accident, he invented a device which allowed him to intercept communications from Mars.
How could a man tell the difference if all the reality of Earth turned out to be a cosmic hoax? Suppose it turned out that this was just a stage set for students of history?