As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

In last week’s The Universe column, I fielded a reader’s question about galaxy collisions in an expanding universe. The answer deals with vast distances, inscrutable forces and the ultimate fate of ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. An ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

The question of whether aliens exist is not a new one. In science fiction films and books, people have wondered if we’re the only life in this universe and what that can imply for universes beyond ...

One of the most famous exploding stars ever recorded by humanity may have been an invader from another galaxy, according to a new analysis of its movements. What is more, alien stars like this might ...