When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

All of our solar system’s planets are lining up in the night sky at once this week. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a great ...

One of the most notable properties of the giant planets in our solar system—Jupiter, Saturn, Uranus and Neptune—are the ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.