This tiny moon, with an orbital period of 680 days ... of our solar system deepens with the discovery of two new moons of Neptune, with one claiming the title of the faintest ever discovered ...

It has an orbital period of 680 days ... "Once S/2002 N5's orbit around Neptune was determined using the 2021, 2022, and 2023 observations, it was traced back to an object that was spotted ...

TOI-3261 b is classified as a “hot Neptune,” a rare category of exoplanets ... and extremely short orbital periods. TOI-3261 b is one of only four known exoplanets in this category.

A team of astronomers have discovered a rather curious exoplanetary system that has two gas giant planets that are messing up each other’s orbit! On of them is 3.8 times the mass of Jupiter and ...