A wormhole, in theoretical physics, is a hypothetical tunnel-like structure that could connect distant points in spacetime, potentially allowing for faster-than-light travel or travel between different universes or dimensions. The concept of a wormhole arises from Einstein's theory of general relativity, which describes gravity as the curvature of spacetime.

In theory, a wormhole could be visualized as a tunnel with two mouths, each located at different points in spacetime. The mouths could be connected by a throat, which could be a shortcut through spacetime. However, traversable wormholes, ones that could be used for travel, are purely speculative and have not been observed or proven to exist.

The study of wormholes involves complex mathematical equations and theoretical physics. Some theoretical models suggest that wormholes could be stabilized using exotic matter with negative energy density, although the existence and properties of such matter remain purely hypothetical.

Wormholes have captured the imagination of scientists and science fiction writers alike, often featuring prominently in stories about space travel and exploration. While the concept of wormholes is fascinating and has inspired much research, their actual existence remains purely speculative until proven otherwise through empirical observation or experimentation.