Sci-fi book: two college kids witness man's first landing on Mars with a wormhole/travel machine they invented; they're ultra rich and nigh-immortal
862
Book ID: Astronauts and Lab Students can create portals through space
87095
Sci-fi novel involving living forever through teleporter copies
116130
Novel about rendezvous with alien ship travelling through the solar system
50313
Novel where a man is paid to travel to a planet inside a metallic sphere
64085
Story about a multiverse theory of immortality
85547
Does anyone remember the title of a book where single-celled organisms save some astronauts?
89070
Unknown Science Fiction Space Book
13157
Young boy living on Mars discovers that his parents are robots
80814
Children's sci-fi book about joyriding a space craft
100531
Novel about a teleportation device and a con artist alien
29891
1970s space cadet training novel for young adults
28581
Story [novel, novella?] that featured faster-than-light or hyperdrive gained from observing distant drive use, also had a sentient star
18199
Looking for sci-fi novel I read about humanity finding alien station on orbit of Earth
151438
Book where students are trapped in a secluded school, controlled by cameras and robots
126872
70s YA novel about two boys travelling millions of years into the past, meeting a "cynogasaurus" and rival animal-themed caveman tribes
114205
Children’s books, one in space setting, the other in a jungle
20405
Harlan Ellison(?) story about immortality