New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

A new TV documentary is a tender tribute to Voyagers 1 and 2, which launched 40 years ago and were the first spacecraft to visit the outer solar system.

Newly minted Paramount Players has landed its first project, winning the movie rights to the book "Vacation Guide to the Solar System." ...

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...

British physicist Brian Cox, host of the "Wonders of the Solar System" documentary series, is hooked up with safety harnesses as he stands on the edge of the Erta Ale volcano in Ethiopia. Erta Ale ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

Scientists have watched a solar system being born for the first ever time. Using a powerful telescope, researchers saw the first pieces of material that will go onto form planets.

In less than four minutes, the film takes you on a stunningly beautiful journey across our solar system.

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

Still from "To Scale: The Solar System," a 7-minute video that shows the construction of a scale-model solar system in Nevada's Black Rock Desert. (Image credit: Wylie Overstreet and Alex Gorosh) ...