Our Solar System is in motion and cruises at about 200 kilometres per second relative to the center of the Milky Way.

At first glance, the night sky appears still. But in reality, everything moves, our Solar System being no exception. As it ...

Gravity provides the force needed to maintain the stable orbit of planets around a star and also of moons and artificial satellites around a planet. The moons around planets in the Solar System ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

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 ...

For centuries, astronomers have sought to understand the complex dance of planetary motion. The ancient belief that planets followed perfect circular orbits aligns intriguingly with modern theories of ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.