When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Denton and colleagues found that two other pairs of objects, dwarf planet Eris and its moon Dysnomia and dwarf planet Orcus and its moon Vanth, could also be explained by “kiss-and-capture ...

For comparison, our moon is just a quarter of the size of Earth ... large Kuiper Belt Objects with large moons, like Eris and Dysnomia, Orcus and Vanth, and the others," Denton explained.

Pluto and Charon might not be the only ones that experience this either; Eris and its moon Dysnomia are also mutually tidally locked. Maybe they kissed as well. The team plans to investigate this ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where the two bodies only temporarily merge before re-separating!" ...

The next and first full moon of the year, also known as the Wolf Moon, will be in peak view on Monday. January's full moon will reach peak illumination at 5:27 p.m. ET on Monday, according to NASA.

The moon may seem like a cold, lifeless rock. But how cold does it actually get on the lunar surface? What is the temperature of the moon? Actually, it's not that cold — at least, not all the time.

Oxygen isotope identity of the Earth and Moon with implications for the formation of the Moon and source of volatiles. Proceedings of the National Academy of Sciences , 2024; 121 (52) DOI: 10.1073 ...

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The organization said that more than 90 important sites on the moon could risk destruction if space tourism is left unregulated. By Zachary Small For years, the World Monuments Fund has sought to ...