Ancient galaxies colloquially known as "little red dots" have proven a mystery ever since astronomers discovered them three ...

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...