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

This frigid planet, our solar system's third largest, remains a bit of an enigma 243 years later. And some of what we thought we knew about it turns out to be off the mark. Much of the knowledge ...

Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the ...

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to discover new worlds goes on, we’re steadily learning more about the ...

This frigid planet, our solar system's third largest, remains a bit of an enigma 243 years later. And some of what we thought we knew about it turns out to be off the mark. Much of the knowledge about ...