How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Passing stars could trigger instability across the solar system, resulting in Earth being hauled out of its orbit.

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...

A field star drifting within 10,000 astronomical units may be enough. This could rattle the Oort Cloud, the icy shell at the ...

JWST has confirmed Pluto’s bizarre atmospheric behavior and its ghostly interaction with Charon. These findings could reshape ...

Full podcast episodes: <a href=" Support: / pmsutter Follow: / paulmattsutter and / paulmattsutter It’s time for school! The ...

Astronomers celebrated the release of the first images from the Rubin Observatory — and registered hundreds of its first ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

In the latest shutdown, the cosmic ray subsystem experiment on Voyager 1 and Voyager 2’s low-energy charged particle ...

The Vera C. Rubin Observatory has just released some of its first images. Its powerful new telescope will be able to quickly ...