Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

This handout artist’s impression released on October 2, 2025 shows Cha 1107-7626, a rogue planet located about 620 light-years away about 5-10 times more massive than Jupiter and doesn’t orbit a star.

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on? If you think you've met the wildest exoplanet yet, you haven't learned about TOI ...

For the first time, astronomers have watched a rogue planet gulp down billions of tons of matter per second over the span of a few weeks in a record-breaking growth spurt that is giving scientists new ...