Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...
Astronomers have, for the first time, pinned down both the mass and distance of a planet that drifts through the galaxy ...
A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched ...
Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...
Astronomers report that the Champagne Cluster is actually two galaxy clusters in the process of merging, based on X-ray, optical, and spectroscopic observations published in 2025 ...
From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...
While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...