Saturn has pulled ahead of Jupiter again in the moon discovery race, thanks to a batch of 20 outer moons that bring the ringed planet’s total tally to 82. The… Read More
With a lot of help from the Hubble Space Telescope, astronomers now feel confident enough to publish their evidence for the first moon detected in orbit around a planet beyond… Read More
Astronomers searching for signs of a hypothetical “Planet Nine” have instead come up with 12 new moons of Jupiter, including one that hints at a cosmic crack-up. The discoveries were… Read More