Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

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

A comet not seen from Earth in tens of thousands of years is visible in the skies this month. Comet C/2022 E3 (ZTF) was discovered on March 2, 2022 by astronomers Frank Masci and Bryce Bolin using ...

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

Comets are enormous balls of ice, dust, and rock that formed in the outer solar system, left over from the early days of planet formation about 4.6 billion years ago, according to NASA.

A comet is a bright ball of ice, dust, and rock from the outer solar system. Here are more intriguing facts about these ancient space rocks.

A rare comet from deep space will soon appear in the night skies. Stop what you're doing and look up.

A comet from the outer solar system is set to buzz Earth on Wednesday and skywatchers have a chance to glimpse the celestial object as it journeys through our cosmic neighborhood for the first ...

But ‘Oumuamua was much smaller than your typical comet, at just over 100 meters across, and when it was first observed, it didn’t have a tail and didn’t seem to be ejecting water.

HOUSTON — Be prepared to possibly spot a rare, and bright comet. The space rock is slinging toward Earth from the outer reaches of the solar system. It made its closest pass on Saturday although ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...