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

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

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

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

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.

Our solar system’s planets are set to align in a seven-strong planetary parade this week that will be visible in the UK night ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

Most of the information we have about planets beyond our solar system (exoplanets) comes from looking at dips in starlight as these planets pass in front of their host star. This technique can ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

If the solar system had a corporate structure, Jupiter would be the CEO, while Saturn ensures rules are followed. Venus ...