The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

This is not unusual behavior for a comet, but it can be a sign of nucleus fragmentation – where the main body, or nucleus, of ...

On 12 November 2014, after a 10-year journey through the solar system and over 500 million kilometers from home, Rosetta's lander Philae made space exploration history by touching down on a comet for ...

"The comet's nucleus is clearly visible, surrounded by a dusty coma and trailing an impressively long tail," ESA said. "SOHO sees the large dust tail edge-on, curving in on itself as it is pushed ...

Astrophoto of periodic comet 12P/Pons-Brooks in the night sky. Green nucleus and tail of ion, dust ... [+] and vapor illuminated by the sun in front of star field in space. Have you seen comet 12P ...

A decade ago, scientists at the European Space Agency (ESA) had just wrapped up the yearslong process of building a ...

Caption This sequence shows how the nucleus of Comet C/2014 UN271 (Bernardinelli-Bernstein) was isolated from a vast shell of dust and gas surrounding the solid icy nucleus. On the left is a photo ...

While the Southern Taurids already hit their peak last week, the Northern Taurids, active Oct. 13-Dec. 2 will be at their ...

LASCO spotted the comet's nucleus or heart near the sun, between Oct. 7 and 11. "After the nucleus itself had left the scene, its massive dust trail remained visible for several days," NRL ...

This comet’s “nucleus” (central solid mass) is frozen water, frozen carbon dioxide and a few other substances, all shot through with dust and rocks. When the nucleus gets near the sun ...

This is not unusual behavior for a comet, but it can be a sign of nucleus fragmentation – where the main body, or nucleus, of a comet starts to break apart. This probably happens because of what they ...

A comet that was predicted to become bright enough to see with the naked eye at Halloween seems to be disintegrating right before our eyes. It's called C/2024 S1, discovered on September 27, a ...