Comets
T-Minus 12 Days to Perihelion, Rosetta’s Comet Up Close and in 3D
With just 12 days before Comet 67P/Churyumov-Gerasimenko reaches perihelion, we get a look at recent images and results released by the…
Three-tailed Comet Q1 PanSTARRS Lights Up Southern Skies
Call it the comet that squeaked by most northern skywatchers. Comet C/2014 Q1 PanSTARRS barely made an appearance at dawn in…
Rosetta’s Comet Sparkles with Ice, Blows Dust From Sinkholes
Comet 67P/C-G may be tiny at just 2.5 miles (4 km) across, but its diverse landscapes and the processes that shape…
Rosetta Orbiter Approved for Extended Mission and Bold Comet Landing
Rosetta will attempt comet landing This single frame Rosetta navigation camera image of Comet 67P/Churyumov-Gerasimenko was taken on 15 June…
Comet C/2013 US10 Catalina: A Preview for Act I
Live in (or planning on visiting) the southern hemisphere soon? A first time visitor to the inner solar system is…
Rosetta’s Comet Keeps On Jetting Even After the Sun Goes Down
67P/Churyumov-Gerasimenko certainly isn't a comet that dreads sundown. Images acquired by the OSIRIS instrument aboard ESA's Rosetta spacecraft in April 2015…
Rosetta Discovery of Surprise Molecular Breakup Mechanism in Comet Coma Alters Perceptions
A NASA science instrument flying aboard the European Space Agency's (ESA) Rosetta spacecraft has made a very surprising discovery -…
Rosetta’s View of a Comet’s “Great Divide”
The latest image to be revealed of comet 67P/Churyumov-Gerasimenko comes from October 27, 2014, before the Philae lander even departed for its…
Head Held High, Comet Lovejoy Does the Polar Plunge
Lots of towns hold a polar plunge fundraising event in the winter. Duluth, Minnesota's version, where participants jump in Lake Superior…