NASA's STEREO spacecraft caught sight of the comet's wild tail. This processed image makes the ... [+] tail's striations pop out. The brightness of the comet’s head affected LASCO’s images ...

It may not look like much in this sequence of images taken by NASA's Deep Impact spacecraft from a distance of half a billion miles in January, but the comet identified as C/2012 S1 (ISON ...

Comet ISON famously disappointed humanity when it fell apart a decade ago, just weeks shy of when it was expected to put on quite a show in the sky. The same could happen to Comet Nishimura over ...

Comet Ison similarly failed to survive the Sun’s intense heat and gravity during perihelion in 2013.” Star gazers should be able to see the C/2023 A3 comet with their naked eyes on Thursday ...

Comet Ison, which was thought to have vaporized, seems to be alive and kicking. According to NASA on Nov. 29 (KST), the comet was spotted within the sun's orbit. Experts had thought the comet ...