It must have cleared all other celestial bodies, except its own moons, from its orbit.

"The Voyager 2 flyby of Uranus in 1986 revealed an unusually oblique and off-centred magnetic field," the researchers wrote.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

Why haven’t humans colonized other planets yet?  While we dream of expanding across the solar system, there are hidden and ...

America’s allies and foes alike have spent the past five days speculating about what Donald Trump’s re-election will mean for ...

We’re showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to ...

The movements of the planets in the Solar System are pretty difficult to get your head around, even before we get started on ...

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

Other theories propose that the anomalies ... Finding a smaller planet would also spark excitement, Rice added, because every solar system planet is immensely useful for extrapolating information ...

“If we find another planet, that is a really big deal,” Malena Rice, an assistant professor of astronomy at Yale University, told CNN. “It could completely reshape our understanding of the solar ...

A planetary parade is set to become visible in the night sky in January 2025. Six planets will come in line and will be ...