New findings indicate that Neptune’s unusual tilt could stem from a prolonged gravitational interaction with its largest moon ...

There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...

This edition of SciShow News really is full of "news." Scientists have discovered a new moon orbiting Neptune, a new tick-borne virus threatening the United States, and a new species of shrew who is a ...

Astronomers studying the distant reaches of our Solar System have identified an unusual trans-Neptunian object (TNO) locked in a rare orbital configuration with Neptune. The object, discovered through ...