Why am I passionate about this?

I am an astronomer and college professor who loves science fiction. For many years, I have kept a webpage recommending science fiction stories and novels that are based on good astronomy. I love explaining astronomy to non-scientists, and I am the lead author of OpenStax Astronomya free online textbook for beginners, which is now the most frequently used textbook for astronomy classes in the U.S. I actually learned English at age 11 by reading science fiction comics and then books for kids,  After many decades as a fan, I have recently realized a long-held dream and become a published SF author myself.


My project is

Exploring the Universe with Andrew Fraknoi

In retirement, I have been writing science fiction stories based on ideas from astronomy. I have a bulletin board full of rejection notes from the best science fiction magazines, but now seven of my stories have been published – two in anthologies and five in magazines. You can read them for free on my website.

They cover such topics as finding microbes on Mars ("I Swallowed a Martian"), using a black hole to shift time after a bad breakup to a relationship ("Slow-time Station"), and humanity receiving an ego-deflating message from aliens in reply to a message we sent out ("The Unwelcome Message").

The books I picked & why

Book cover of Revelation Space

Andrew Fraknoi Why did I love this book?

I discovered Alastair Reynolds, who is now my favorite science fiction writer, by reading this book, which was a mind-opening experience. I especially enjoy his combining a kind of “film noir” sensibility with realistic science ideas (the latter is not surprising since he has a Ph.D. in astronomy.) 

This first novel in his series is an excellent way to delve into his marvelously imagined Universe, where humanity exists in a number of genetically modified variants, and intelligences have to contend with ancient and powerful machines that deem organic life too war-like to be permitted to live.

By Alastair Reynolds,

Why should I read it?

3 authors picked Revelation Space as one of their favorite books, and they share why you should read it.

What is this book about?

The legendary space opera that kicked off the ground-breaking, universe-spanning series.

Nine hundred thousand years ago, something wiped out the Amarantin. For the human colonists now settling the Amarantin homeworld Resurgam, it's of little more than academic interest, even after the discovery of a long-hidden, almost perfect Amarantin city and a colossal statue of a winged Amarantin. For brilliant but ruthless scientist Dan Sylveste, it's more than merelty intellectual curiosity - and he will stop at nothing to get at the truth. Even if the truth costs him everything. But the Amarantin were wiped out for a reason, and that…


Book cover of Timescape

Andrew Fraknoi Why did I love this book?

I think this novel, by physicist Gregory Benford, is one of the best fictional representations of how science is really done and of the real world of scientists and graduate students.

It is also an early exploration of the concept of tachyons, particles that cannot move slower or as slow as the speed of light but always have to go faster. (These have been proposed only in theory, but what makes them exciting is that they would travel backward in time.) In the book, that property enables people in the future to communicate with us in their past.

Another thing I like about this book is that some of his characters are thinly disguised (or not disguised) versions of real astronomers of the time.

By Gregory Benford,

Why should I read it?

4 authors picked Timescape as one of their favorite books, and they share why you should read it.

What is this book about?

The year is 1998, the world is a growing nightmare of desperation, of uncontrollable pollution and increasing social unrest. In Cambridge, two scientists experiment with tachyons - subatomic particles that travel faster than the speed of light and, therefore, according to the Theory of Relativity, may move backwards in time. Their plan is to signal a warning to the previous generation.

In 1962, a young Californian scientist, Gordon Bernstein, finds his experiments are being spoiled by unknown interference. As he begins to suspect something near the truth it becomes a race against time - the world is collapsing and will…


Book cover of Pandora's Star

Andrew Fraknoi Why did I love this book?

Although Hamilton is not a scientist, he is a science-fiction writer who frequently uses the latest ideas from science.

This book begins with an astronomer making a surprising discovery and then broadens into a complex tale of intraspecies and interspecies war. It is the first book in an exciting series by Hamilton called The Commonwealth Saga, all of which I really enjoyed as both adventure and “at the edge” scientific speculation. 

By Peter F. Hamilton,

Why should I read it?

4 authors picked Pandora's Star as one of their favorite books, and they share why you should read it.

What is this book about?

In AD 2329, humanity has colonised over four hundred planets, all of them interlinked by wormholes. With Earth at its centre, the Intersolar Commonwealth now occupies a sphere of space approximately four hundred light years across.When an astronomer on the outermost world of Gralmond, observes a star 2000 light years distant - and then a neighbouring one - vanish, it is time for the Commonwealth to discover what happened to them. For what if their disappearance indicates some kind of galactic conflict? Since a conventional wormhole cannot be used to reach these vanished stars, for the first time humans need…


Book cover of Contact

Andrew Fraknoi Why did I love this book?

I especially enjoyed this book because it was written by an astronomer (with some help from his wife, who was a science writer) and because the main character was based on a colleague of mine, Dr. Jill Tarter.

In the book, Carl Sagan tells the story of how a SETI (search for extra-terrestrial intelligence) project might actually go about finding a signal from a civilization around another star. (The book was made into a movie, where Jodie Foster played the main scientist who made the discovery. She actually came out to the SETI Institute, where Jill Tarter worked, and spent some time with Jill, learning how to portray a scientist in this field.) 

I also liked that the alien civilization we find is more advanced than we are, which is likely, given how long the stars in our Galaxy have been around, and how recently we humans evolved.

By Carl Sagan,

Why should I read it?

15 authors picked Contact as one of their favorite books, and they share why you should read it.

What is this book about?

In December 1999 a multinational team journeys out to the stars, to the most awesome encounter in human history. Who - or what - is out there?


Book cover of Illegal Alien

Andrew Fraknoi Why did I love this book?

I liked this book because it has a sense of humor and yet approaches interesting questions about how we might meet another species of intelligent life in the universe.

Sawyer is not a scientist, but an enthusiastic amateur astronomer, with training in anthropology and a fascination with the search for extra-terrestrial intelligence, interests that inform many of his novels.

I also enjoyed this novel as a detective mystery with an astronomical puzzle that is part of its solution. 

By Robert J. Sawyer,

Why should I read it?

1 author picked Illegal Alien as one of their favorite books, and they share why you should read it.

What is this book about?

When a disabled spaceship enters Earth's atmosphere, seven members of the advanced Tosok race are welcomed by the world. Then a popular scientist is murdered, and all evidence points to one of the Tosoks. Now, an alien is tried in a court of law-and there may be far more at stake than accounting for one human life.


Explore my project 😀

My project is

Exploring the Universe with Andrew Fraknoi

In retirement, I have been writing science fiction stories based on ideas from astronomy. I have a bulletin board full of rejection notes from the best science fiction magazines, but now seven of my stories have been published – two in anthologies and five in magazines. You can read them for free on my website.

They cover such topics as finding microbes on Mars ("I Swallowed a Martian"), using a black hole to shift time after a bad breakup to a relationship ("Slow-time Station"), and humanity receiving an ego-deflating message from aliens in reply to a message we sent out ("The Unwelcome Message").

Book cover of Revelation Space
Book cover of Timescape
Book cover of Pandora's Star

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Book cover of Glimmer of the Other

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Heather's 3 favorite reads in 2024

What is my book about?

Delve into this internationally best-selling series, now complete! A fast paced laugh-out-loud mix of Urban Fantasy and Mystery.

I can tell when you’re lying. Every. Single. Time. I’m Jinx, a PI hired to find a missing university student, I hope to find her propped up at a bar–yet my gut tells me there’s more to this case than a party girl gone wild. Firstly, she’s a bookish soul who’s as likely to go off the rails as Mother Theresa. Secondly, I’m not the only one on her trail; she’s also being tracked by the implacable and oh-so-sexy Inspector Stone. Stone…

By Heather G. Harris,

Why should I read it?

1 author picked Glimmer of the Other as one of their favorite books, and they share why you should read it.

What is this book about?

I can tell when you’re lying. Every. Single. Time.

I’m Jinx. As a private investigator, being a walking, talking lie detector is a useful skill – but let’s face it, it’s not normal. You’d think it would make my job way too easy, but even with my weird skills, I still haven’t been able to track down my parent’s killers.

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