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

The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most ...

NASA observes largest Oort Cloud comet, C/2014 UN271, exploding with CO gas jets, thanks to ALMA’s deep-space capabilities.

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

The latest ground-based observations from telescopes do seem to imply the comet has fallen apart, said Dr. Karl Battams, a computational scientist within the Solar and Heliospheric Physics Branch ...

A 15th-century copper plate from the Vijayanagara Empire has revealed India’s first direct mention of Halley’s Comet, proving the astronomical brilliance of ancient Indian scholars.

there are signs that it's brightness (based on the Comet Observation Database/COBS) is slowly beginning to perk-up again during the first half of July. Telescopes reveal that the comet's dusty ...

Currently, it displays the classic look for a bright comet, flaunting a starlike head and a prominent tail. As we crossed over from September into October, a consensus of observations reported on ...

Hot on the tail of the Quadrantids meteor shower, another spectacle in the sky is about to arrive: comet Atlas C/2024 G3, which will reach perihelion—the point of its orbit closest to the sun ...