A Southwest Research Institute-led team has discovered an elusive, dark moon orbiting Makemake, one of the “big four” dwarf planets populating the Kuiper Belt region at the edge of our solar system.

There is a dwarf planet out in the Kuiper Belt that has been named Quaoar, and it tends to get more attention than would normally be expected. This is for several reasons, including the fact that it ...

The odd dwarf planet Quaoar might have a brand-new moon. Observations of the tiny world, made by a pair of astronomers in California, suggest it possesses either a second satellite or a third ring.

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but none have passed the threshold and been accepted as confirmed. But they must ...

"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." The odd dwarf planet Quaoar might have a brand-new moon. Observations of the tiny ...