All Items Tagged


Sep 28, 2015 10:40 AM ET // Irene Klotz
Scientists have solved the mystery of why the comet being studied by Europe’s Rosetta spacecraft is shaped like a rubber duck -- it started off as two separate comets.
Sep 23, 2015 01:00 PM ET // Irene Klotz
Scientists have discovered an unexpectedly regular cycle of ice formation and depletion on the surface of a comet, a pattern tied to an orbital dance of shadow and sunlight.
Sep 4, 2015 12:45 PM ET // Ian O'Neill
Scientists are developing a novel space robot that can take up the challenge of hopping and rolling over microgravity terrain while doing valuable science.
Aug 17, 2015 01:30 PM ET // Elizabeth Howell
After nearly 20 years gazing at the sun, the SOHO spacecraft is about to spy its 3,000th comet.
Aug 12, 2015 01:14 PM ET // Ian O'Neill
Tonight is the peak of the annual Perseid meteor shower and whether you have clear or cloudy skies, there are more than a few surprising ways that you can get involved and enjoy a potentially spectacular cosmic light show.
Aug 12, 2015 05:30 PM ET // Irene Klotz
On Aug. 13, Comet 67P/Churyumov-Gerasimenko will reach perihelion, and with it the orbiting European Rosetta mission. Here's a brief rundown of Rosetta's observations of the icy body in the run-up to its day in the sun.
Aug 11, 2015 03:07 PM ET // Jason Major
On July 29, with ESA's Rosetta spacecraft in orbital tow, the 2.5-mile-long Comet 67P/Churyumov-Gerasimenko fired its brightest jet yet since Rosetta's arrival just over a full year ago.
Aug 10, 2015 07:00 AM ET // Elizabeth Howell,
The annual Perseid meteor shower will reach its peak this week, giving amateur skywatchers with clear dark skies a potentially dazzling celestial light show.
+ Load More