Mysterious planetary mass objects that wander the cosmos alone could be created when young star systems clash. They aren't planets or stars, but are in a cosmic class of their own.

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

Webb's penetrating infrared gaze has now revealed the true identity of the glow as a face-on, distant spiral galaxy. It has a ...

Irish sky gazers were left baffled when they looked up and saw an "unusual" and "freaky" object flashing in Dublin's night ...

Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called brown dwarfs, in a vibrant star-forming region of our galaxy called the Flame Nebula. Brown dwarfs ...

Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about ...

The ghostly ring Kýklos (from the Greek κύκλος, circle or ring) and the object WR16 both show the environment of rare and ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and how it got here. A new study led by Western astrophysicists Cole Gregg ...

NASA's groundbreaking James Webb Space Telescope has spotted a mysterious object that's freely floating through interstellar space. According to NASA, the "planetary-mass" object, dubbed SIMP ...