Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

Astronomers have confirmed that a rare intersteller object is zooming through the solar system. This is only the third time this has been recorded.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...

A nearby star drifts into the outskirts of our solar system. Its gravity disturbs the Oort Cloud and alters the orbits of far-out objects.

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations suggest these stellar encounters might disrupt planetary orbits ...

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different ...

The Last Time NASA's Voyager "Looked Back" At Our Solar System, This Is What It Saw Before it met the 30,000-50,000 kelvin wall at the edge of our Solar System, Voyager 1 took its final images.

This new dwarf planet may exist at the edge of the solar system, possibly disproving Planet Nine's existence. This is the story of that newly encountered planet.

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

Researchers from the UW and Queen’s University Belfast believe that knowledge of the objects in the solar system will expand exponentially when a new telescope comes online later this year ...

A computer simulation predicts that the Rubin Observatory will discover millions of previously undetected objects in the solar system.