“Wormholes could theoretically exist”

The idea of wormholes, often depicted as cosmic shortcuts for interstellar (Review) travel, has become deeply ingrained in popular culture. This common belief largely stems from science fiction, where wormholes serve as convenient plot devices in books, movies, and television shows like *Stargate* and *Interstellar*, allowing characters to traverse vast distances across the universe or even through time instantaneously. This captivating portrayal has fueled public imagination, leading many to assume their existence is a scientific certainty rather than a theoretical possibility.

Scientifically, the concept of wormholes originated from Albert Einstein's theory of general relativity, which describes how mass and energy warp spacetime. In the 1930s, Einstein, alongside his colleague Nathan Rosen, explored a specific solution to these equations, proposing the existence of "Einstein-Rosen bridges." These hypothetical structures are essentially tunnels connecting two disparate points in spacetime, offering a theoretical shortcut through the cosmos. While mathematically consistent with general relativity, it is crucial to understand that these theoretical passages have never been observed in reality.

People commonly believe in the potential existence of wormholes due to this blend of theoretical physics and widespread fictional representation. The mathematical framework provided by Einstein's equations gives wormholes a veneer of scientific plausibility, while their consistent presence in engaging narratives makes them seem like an achievable future technology. However, even within theoretical physics, significant challenges remain, such as the need for exotic matter with negative energy to keep a wormhole stable and traversable, which has not been discovered. Without such matter, any theoretical wormhole would likely collapse instantaneously, rendering it impractical for travel.