There's been many a time machine in science fiction stories, but Back to the Future's DeLorean beats them all.

The latest in Adrian Tchaikovsky’s Children of Time series is out this month, along with a speculative retelling of Moby-Dick and a forgotten classic from 1936 ...

Fans of science fiction movies and TV know that behind aliens, space travel, and robots, time travel is, by far, one of the most beloved and often employed tropes of the genre. In fact, you could ...

From The Flash to Avengers: Endgame to 2002’s The Time Machine, time travel movies often follow characters hoping to prevent a present personal tragedy or larger calamity by tweaking some event in the ...

Science fiction has long captured the imagination of readers by blending speculative ideas with human emotion, social commentary, and adventure. From space operas to dystopian futures, the genre ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. As the recent Worldcon 2025 Convention here in Seattle ...