Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice ...

An icy object in perfect sync with Neptune reveals new details about planetary migration and unseen bodies far beyond the Kuiper Belt.

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Using Webb’s infrared instruments, astronomers spotted the first definitive evidence of auroras on Neptune, which they highlighted in a new Nature Astronomy study.Unlike the polar displays we ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons, and other celestial objects. Deep dive into the incredible ...

Our solar system may have a ninth planet after all, ... The hidden candidate is likely the size of Neptune and is so far away that it could take between 10,000 and 20,000 years to orbit the sun, ...

The planets in our solar system orbit the sun in roughly the same plane, known as the ecliptic, which is tilted relative to Earth's equator by about 23.5 degrees.