As of our current understanding of physics and technological capabilities, it is unlikely that humans will be able to travel to other galaxies in the future. The vast distances between galaxies make intergalactic travel incredibly challenging, if not practically impossible.
The Milky Way, our home galaxy, is already an immense structure spanning about 100,000 light-years in diameter. Even with our most advanced spacecraft, it would take tens of thousands of years to reach the nearest neighboring galaxy, Andromeda, which is about 2.5 million light-years away.
The main obstacles to intergalactic travel are the limitations imposed by the speed of light and the vastness of space. According to our current understanding of physics, nothing can travel faster than the speed of light. The enormous distances between galaxies mean that even if we were able to achieve significant fractions of the speed of light, the travel times would be prohibitively long.
Additionally, the amount of energy required to propel a spacecraft to such velocities is currently far beyond our technological capabilities. Overcoming the vast distances between galaxies would necessitate energy sources and propulsion systems far more advanced than what we currently have.
It's important to note that our understanding of physics and technology is constantly evolving, and future breakthroughs may present new possibilities. However, as of now, the challenges posed by the vast distances and energy requirements make intergalactic travel beyond the reach of current human capabilities.