Is time travel a subgenre

Yes, time travel is often considered a subgenre within Science Fiction. It involves narratives where characters move between different points in time, exploring the implications of their journeys on reality, history, and personal relationships. This subgenre can encompass various themes, including paradoxes, alternate timelines, and the impact of technology on time perception. Popular examples include works like "The Time Machine" by H.G. Wells and films like "Back to the Future."