In September 2012, Russian astronomers Vitali Nevski and Artyom Novichonok discovered Comet C/2012 S1; as they were using 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 ...

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 ...

NASA has assembled a corps of comet experts at Kitt Peak this week to observe Comet ISON with the McMath-Pierce Solar Telescope and keep track of the comet through its armada of space telescopes.

CC0 Usage Conditions ApplyClick for more information. Hopes are high for Comet ISON, which has the potential to become the most spectacular comet seen in years. ISON is speeding through the inner […] ...

Comet ISON, shown here, was a sungrazing comet, or "star-grazer," that passed within roughly 730,000 miles of the Sun's surface in November 2013. — Wikipedia via ESA/Hubble A newly discovered comet is ...

Within days after a new comet is first discovered, astronomers can tell you exactly what its path through the solar system will look like. They can calculate when it will make its closest approach to ...