Comet Q2 Lovejoy passed closest to Earth on January 7th and has been putting on a great show this past week.…
Hidden among the four new images of Comet 67P/Churyumov-Gerasimenko released by ESA this week are a pair of dusty jets…
Comet ISON may be no more than just a cloud of icy debris these days but there's another comet that's…
As NASA and the European Space Agency prepare their remote photojournalists - Mars Express, Mars Reconnaissance Orbiter and the Curiosity…
[/caption]What are comets made of? Good question! Comet nuclei are loose collections of ice, dust and small rocky particles, ranging…