Astronomers have just confirmed one of the strangest kinds of worlds imaginable, a planet drifting through the galaxy with no star of its own roughly 10,000 light-years from Earth. Instead of circling ...

Rogue planet moons habitable for 4.3 billion years without any star? A new LMU and Max Planck Institute study shows tidal ...

Astronomers have finally pinned down the mass and distance of a lonely world that drifts through the galaxy without a parent star, a feat that turns a once-theoretical class of objects into a ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...