Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

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

A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 ...

Stretching nearly a light-year from the Sun, the Oort Cloud serves as a cosmic reservoir of ancient material left over from the solar system’s formation over 4.5 billion years ago.

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

It appears our solar system is getting more popular with out-of-towners. Astronomers may have found a third interstellar ...