Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system.

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

Jupiter is our system's oldest planet, forming from the dust and gases left over after the Sun's formed 4.6 billion years ago. The gas giant is 11 times wider than Earth, meaning that if our home ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now.. Twice as large, in fact. To put that into context ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006.

They also report that its magnetic field, already the strongest in the Solar System, would have been 50 times stronger still. Imagine the auroras when the early Sun flared.

New Minor Planet Spotted Past Pluto, One of the Largest Distant Objects in the Solar System The surprisingly large world has a massive orbit—about 838 times Earth’s distance from the Sun.

For over a century, astronomers have wondered if there's an extra planet in our Solar System that we haven't been able to detect yet. It seems like we get another "Planet Nine" candidate ...

The existence of Planet Nine — or any other undiscovered ninth planet in our solar system — will likely remain a contentious subject for now. However, 2025 could prove to be the beginning of ...

Beyond our solar system: scientists identify a new exoplanet candidate. ScienceDaily . Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 03 / 250304212337.htm ...

The planet is about 10% larger than Jupiter, but much hotter because it is 13 times closer to its star than Mercury is to our sun. HD 189733b only takes about two Earth days to complete a single ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.