Hard science fiction is the genre that takes the science seriously, and on audio it hits differently. When Kim Stanley Robinson describes Martian geology in “Red Mars,” or Andy Weir walks you through orbital mechanics in “The Martian,” a good narrator turns dense technical logic into something you actually want to follow. The rigor is the point. These books argue that the universe, understood correctly, is more astonishing than anything invented.

This category rewards listeners who like to feel genuinely taught while being entertained. If you’ve ever wanted fiction that respects your intelligence and doesn’t hand-wave the hard parts, this is your corner of the audiobook world. Start with Cixin Liu’s “The Three-Body Problem,” narrated by Luke Daniels, and give it three hours before you judge it.