The Subaru telescope located at the Mauna Kea Observatory on Hawai'i has found a new world within our Solar System, dubbed ...

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

According to the team's measurements, the comet's nucleus is around a whopping 128 kilometers (80 miles) across, making it bigger than the state of Rhode Island, and far larger than its closest ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

They were fine-tuning a scene featuring the Oort Cloud, a region far beyond Pluto filled with icy relics from the solar system’s formation.

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

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

They were fine-tuning a scene featuring what's known as the Oort Cloud, a region far beyond Pluto filled with icy relics from the solar system's formation.

The Oort Cloud, a distant icy shell surrounding the solar system, has remained unobservable due to its vast distance.

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 ...