Comet Spacecraft Rosetta awakens enroute to first comet landing

Rosetta spacecraft wakes from deep space hibernation enroute to comet rendezvous. ESA news release
NASA Begins Search for what is left of Comet ISON

NASA Begins search for what is left of Comet ISON, after it disintegrated during it’s close approach to the sun. [article] [NASA’s Comet ISON news]
Comet ISON approaching perihelion

Comet ISON is 3 days to perihelion.
NASA Probe to Observe Double Comet Encounter

On Nov. 18-19, two comets (ISON and Encke) are going to fly by the planet Mercury in quick succession. NASA’s MESSENGER spacecraft will have a front-row seat for the rare double encounter.Full Story
Six-tailed Comet Spotted by Hubble
The Hubble Space Telescope has spotted a strange asteroid spewing six comet-like tails of dust.Full Story
Comet Pan-STARRS brightening
Comet Pan-STARRS, now visible in the southern hemisphere, is brightening as it approaches the sun. The comet will pass about 100 million miles from Earth in March and is expected to be visible to observers in the northern hemisphere.more | viewing guide
Comet Lovejoy astounds scientists
Sungrazing comet Lovejoy, expected to vaporize with its encounter with the Sun, astounds scientists when it re-emerges from the other side. Link 1 | Link 2
Comet water found to be similar to that in earth’s oceans
The water in a comet called 103P/Hartley 2 is chemically very similar to water on Earth, researchers find. more | journal article
NASA Spacecraft Closes in on Comet Tempel 1
Stardust-NExT is closing in for a second look of the comet on Feb. 14, 2011. More