The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

one which can offer superb views of the other bodies in the solar system. But which one to choose? We've got you covered with our guide to the best telescopes for seeing planets. Now's a great ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

NASA's OSIRIS-REx mission discovered molecules vital to life and a history of saltwater on asteroid Bennu. The findings ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... on the ice covered moons of Uranus.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

While this parade of planets look to our eyes to be huddled in the evening sky, they are of course spread out across a vast chasm of space across the solar system, separated from each other by ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...