Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Keep your eyes on the sky. Six planets in our solar system are coming into alignment and will be visible from Earth. AccuWeather says Saturn, Venus, Neptune, Uranus, Jupiter and Mars will be visible ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

The first known asteroid to visit our Solar System from interstellar space has been given a name. Scientists who have studied its speed and trajectory believe it originated in a planetary system ...

MADDIE: There are a lot of stars in our universe. And the sun is a star that gives out heat and light. The sun is at the centre of the solar system. The solar system is the name we use to describe ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

The Romans had different names for the Greek gods, and so they were the ones to eventually call it Mars. Jupiter is the biggest planet in our Solar System, and it gets its name from the leader of ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...