Our solar system orbits the Milky Way galaxy once every 200 million years, driven by a supermassive black hole at its center.

The Solar System is a fascinating place, with each planet orbiting the Sun at its own unique distance. But how far apart are these planets, and how do they travel through space? Uncover the true scale ...

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

Astronomers have found that a weird space rock at the edge of the solar system is locked in a rhythmic dance with Neptune.

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging.

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

This image shows the orbits of all of the objects discovered in the Outer Solar System Origins Survey.

What comes after: the slow unraveling of the solar system across cosmic time The death of the sun marks the end of the solar system as we know it, but not its immediate obliteration.

Exciting new findings reveal that WASP-121b, a blazing-hot giant planet, may have formed far from its star in a colder, ice-rich region—before migrating inward to its current extreme orbit. Chemical f ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of ... a group of small bodies with "peculiar orbits." The findings were ...