As an astrophysicist, my world revolves around the wonders of space and the mysteries of the universe. This means I can be a tough critic of science fiction books and films that explore these topics.

Two different ways to tell the same story. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Science fiction is not monolithic. There are, in fact, ...

Science fiction is not monolithic. There are, in fact, two major sub-genres that divide sci-fi — hard sci-fi and speculative (or soft) sci-fi — and most of the time, the delineation between the two is ...