A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.

Scientists say about 10,000 new exoplanet candidates may be hiding in NASA data, after using artificial intelligence to scan ...

There's a class of objects in the cosmos that are neither stars, nor are they quite planets. Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called brown ...

Interstellar objects like 3I/ATLAS that have been captured in planet-forming discs around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...