On Thanksgiving Day in 2013, a comet named Comet ISON had an encounter with the sun becoming one of the most talked about space event of the 21st century.

Looks like Comet ISON may have what it takes to take a licking and keep on ticking. A new study by scientists at the Lowell Observatory and Southwest Research Institute (SwRI) indicates that Comet ...

A potentially bright comet will be visible  in November and December. Russian amateur astronomers Vitali Nevski and Artyom Novichonok found the comet in images taken by the International Scientific ...

There were hopes over the weekend that ISON might have survived its close encounter with the sun. But "with more than a little sadness," the space... Comet ISON Is No More, NASA Says Comet ISON, a ...

If the comet ISON makes it out intact from its encounter with the Sun this week, the Earth is in for a potentially dazzling sight in the December night skies as it passes close to Earth and out ...

(AP) For months, all eyes in the sky have pointed at the comet that’s zooming toward a blisteringly close encounter with the sun. The moment of truth comes Thursday Thanksgiving Day. The sun-grazing ...

In a reversal that would make a comic book writer blush, scientists seem ready to resurrect Comet ISON after its untimely Thanksgiving demise. Over the holidays, NASA brought leading astronomers ...

After a remarkable flare up in brightness last week, comet ISON has become visible to the naked eye as it passes Earth on its journey toward the sun, according to reports from the Comet ISON Observing ...