Cosmic Frontiers: Exoplanets, Black Holes, and the Realities of Interstellar Contact

To the point

Space news covers a wide range of cosmic topics and says that while aliens might exist in the Milky Way, visiting us is unlikely because of time dilation and energy limits, so technosignature searches like SETI are the best chance to detect them, with new JWST discoveries to follow.

Aliens might exist but interstellar travel is impossible - NASA Space News
nasaspacenews.com

Aliens might exist but interstellar travel is impossible - NASA Space News

Aliens might exist within the Milky Way, but massive interstellar distances and the physics of time dilation suggest extraterrestrial civilizations face