Old story where aliens sell humans some machines to heal anything, and then disappear with their loot before we realize we've been scammed
I am trying to locate a story about first contact where the aliens want to talk to the ship's dog instead of the contact team, any ideas?
A short story (possibility written in the 80's), where humans visit an alien race that evolves fast?
Looking for SF short story about first contact and humans have to destroy evidence before aliens reach Earth
Distant aliens receive signal with instructions on how to construct humans, long after Earth is extinct
Looking for a short story about a posthuman conducting first contact with a primitive alien race on their planet
SF first contact short story, alien probe visits earth to exchange information, is asked about religion
60s-70s short story: distant future, mankind has spread throughout the galaxy, and make "first contact" with other descendants of Earth
Pre-1990 short story, Earth space probe (NASA?) lands somewhere like Titan and is found by a female alien
80's or earlier first contact novel: scientists decode alien signal, only to discover the alien civilization is now long dead
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