We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

How big would our Solar System be if the Sun was an eleven-inch football/soccer ball? Alex and Jonathan set out to find the answer to this question, and visit each of the planets and planetoids ...

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

In reality, there are hundreds, if not thousands, of natural satellites, in our cosmic ... big enough to be considered planets in their own right. So exactly how many solar system moons have ...

While most objects in our solar system orbit the same plane ... So they reasoned that this "something" was as large as a planet orbiting our sun. In fact, they even went so far to give it a ...

They can be very large - the biggest ... to the protoplanetary disc, to the solar system we see today. 'Earth formed from this nebula, so our journey to understand it is also a journey of ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at least used to be able to recite. But it was not always so.