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“Comets”

Feb 5, 2016 11:45 AM ET
In November 2014, the plucky lander Philae touched down on a comet, making headlines worldwide. A hard landing drastically shortened its lifespan, but scientists still gleaned a ton of new information about comets.
Feb 3, 2016 01:00 PM ET // Irene Klotz
Gravity measurements taken by the orbiting Rosetta spacecraft show the body of comet 67 P/Churyumov-Gerasimenko is about 75 percent dust and 25 percent ice all the way through.
Jan 26, 2016 01:12 PM ET // Elizabeth Howell
On a January morning 10 years ago, tiny pieces of a comet landed on Earth inside of a spacecraft -- and these samples are still teaching us new things about the origins and evolution of our solar system.
Jan 13, 2016 02:45 PM ET // Mike Wall, Space.com
A European spacecraft has spotted water ice on the surface of a comet, shedding new light on the formation and evolution of the icy object.
Jan 8, 2016 01:19 PM ET // Irene Klotz
The odds aren’t great. Engineers don’t even know if Philae still has a working receiver and the probe could be covered in dust.
Jan 5, 2016 11:14 AM ET
Welcome to 2016, space fans! With a new rover scheduled to land on Mars, a probe launching toward an asteroid, new info on Jupiter, and the Rosetta probe smashing into a comet on purpose, there's much to look forward to.
Dec 22, 2015 12:15 PM ET // Mariette Le Roux, AFP
Astronomers say giant comets dubbed centaurs argue for an expansion of the list of potential hazards to our home planet.
Dec 20, 2015 03:00 PM ET // Mark Thompson
To celebrate the New Year, Comet Catalina will put on a show that will kick 2016 off in astronomical style!
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