Here’s why this nearby comet keeps changing colors ... Comet 67P's orbit takes it past Jupiter and then back to closer to the sun in 6.4 years. When Rosetta began to observe Comet 67P, ...

Not long ago, the Internet was speculating that Comet 67P was on the reddish side, but a new image from the European Space Agency shows the comet goes for gray.

The European Space Agency’s Rosetta spacecraft was the first to orbit a comet when it circled Comet 67P/Churyumov-Gerasimenko from 2014 to 2016.Rosetta’s up-close look at 67P has given scientists an ...

Rosetta's Comet Colors Reveal Interesting Surface Composition. 67P appears a dull charcoal color when observed by us, but the Rosetta analysis has highlighted three different types of terrains on ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

A recently discovered comet will soon swing by Earth for the first time in 50,000 years. The green comet will make its closest approach between February 1 and 2.

How do I photograph the green comet? Mr. McCarthy took a picture of Comet C/2022 E3 (Z.T.F.) on Jan. 18 in which the coma is the color of a green apple and the ion tail fans outward like rays of ...

Comet Leonard is visible in binoculars and telescopes. Here are our recommendations on telescopes and binoculars to see the comet.

Comet Kohoutek, which offered a glimpse in 1973, broke up while passing too close to the sun. In 2013, Comet Ison was broken up by the sun’s intense heat and gravity. But Comet C/2023 A3 survived.

A comet’s changing colors. The team of researchers, led by Gianrico Filacchione of the National Institute for Astrophysics (INAF) in Italy, ...