As of our current scientific understanding and technological capabilities, traveling to other galaxies within a human lifetime is not feasible. The vast distances between galaxies make intergalactic travel extremely challenging, if not impossible, with our current level of technology.
The Milky Way, our home galaxy, is approximately 100,000 light-years in diameter. Even if we were able to achieve a significant fraction of the speed of light, it would still take an immense amount of time to reach even the nearest neighboring galaxy, Andromeda, which is about 2.5 million light-years away.
Moreover, intergalactic travel would require a means of propulsion that could sustain high speeds for extremely long durations, along with advanced life support systems capable of sustaining humans over such prolonged journeys. Currently, our space exploration efforts are focused on our own solar system, with crewed missions to Mars being a long-term goal.
It's worth noting that scientific advancements and technological breakthroughs could potentially change our understanding of space travel in the future. Concepts like warp drives and wormholes have been explored in theoretical physics, but their practical realization remains purely speculative at this point.
Therefore, while it's an intriguing idea, the current scientific consensus suggests that intergalactic travel is beyond our reach with present knowledge and technology.