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 our cosmic time capsules and can reveal a lot about the early solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

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 mysterious volcanic comet has just reawoken, unleashing four major eruptions in less than 48 hours and spraying out enough of its icy guts to make the city-size object appear almost 300 times ...

Opportunities to view the "comet of the century" are running out. Here's how you can view A3 in South Carolina before it disappears into the depths of space.

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 ...