A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

Aster G. Taylor is a Ph.D. candidate in Astronomy and Astrophysics at the University of Michigan, Ann Arbor and a 2023 Fannie ...

Comet 67P etc., as seen from a distance of 3,400 miles on July 20. Note the brighter pixels around the middle. As Europe’s Rosetta spacecraft closes in on the comet called 67P/Churyumov ...

The "devil comet" will slingshot its way past the Andromeda galaxy this week in a rare conjunction you don't want to miss.

Scientists reportedly spotted a comet the size of Manhattan flying through the Milky Way galaxy.

The comet was about 180 million kilometers (110 million miles) away from Earth when this picture was taken. For comparison, the Andromeda galaxy is roughly 25 million trillion kilometers away.

Astronomers are watching a galaxy rip to shreds, a finding that could help reveal how galaxies go from stellar riches to rags.

A NASA probe recently spotted the dazzling Pan-STARRS comet as it hurtled through space against the backdrop of a distant galaxy. Pan-STARRS is a fresh visitor from the outer solar system that lit ...

Comet 12P/Pons-Brooks is currently sailing past the Andromeda Galaxy in the night sky as it races toward Earth, and you can watch it live this week.

The Hubble Space Telescope has snapped the best images to date showing the interstellar comet known as 2I/Borisov, and one of the pictures shows a faraway galaxy off to the side.

The devil comet had its fourth and largest outburst this week that made it as bright as the Elliptical Galaxy 600 million light years from Earth. It is set to pass by our planet in 2024.