Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

A pattern in the movements of a brown dwarf that orbits a Sun-like star is likely to be caused by a moon. If confirmed, this would be the first exomoon, that is a moon orbiting a planet that in turn ...

Grant and Cugno used the James Webb Space Telescope (JWST) to pick out the infrared glow from the disk of gas and dust ...

New kaolinite-rich rocks uncovered by NASA’s Perseverance rover suggest Mars once hosted warm, rainy environments that may ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Analysis of early direct images from James Webb telescope show immense dust clouds on brown dwarf that lead to a blurring of ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide.

The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some are icy and serene, others are stormy or volcanic. Among the many satellites ...

Earlier this year, a team of astronomers discovered a new moon of Uranus that is minuscule, with a diameter of about 10km.

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

If we find technological satellites of Jupiter that we did not send, it would imply that Jupiter is of interest to an ...