Comet dust under the microscope

Comet dust from the Rosetta mission is providing insights into the origins of our solar system. A research project focusing on the dust, which is supported by the Austrian Science Fund FWF and being carried at the Space Research ...

Rosetta catches dusty organics

Rosetta's dust-analysing COSIMA (COmetary Secondary Ion Mass Analyser) instrument has made the first unambiguous detection of solid organic matter in the dust particles ejected by Comet 67P/Churyumov-Gerasimenko, in the form ...

Inside Rosetta's comet

There are no large caverns inside Comet 67P/Churyumov-Gerasimenko. ESA's Rosetta mission has made measurements that clearly demonstrate this, solving a long-standing mystery.

Comet US10 Catalina—the final act

Have you seen it? 2016 has kicked off with a fine apparition of a binocular comet: C/2013 US10 Catalina. We've been following this icy visitor to the inner solar system the first few mornings of the year, a welcome addition ...

Comet Catalina grows two tails, soars at dawn

Amateur astronomer Chris Schur of Arizona had only five minutes to observe and photograph Comet Catalina this morning before twilight got the better of the night. In that brief time, he secured two beautiful images and made ...

Celebrating a year at the comet

It's been a long but exciting journey for Rosetta since its launch in 2004, featuring Earth, Mars and two asteroid flybys before arriving at its ultimate destination on 6 August 2014. Over the following months, the mission ...

Comet Wild 2: A window into the birth of the solar system?

Our solar system, and other planetary systems, started as a disk of microscopic dust, gas, and ice around the young Sun. The amazing diversity of objects in the solar system today - the planets, moons, asteroids, and comets ...

Scary times for Europe's comet-chaser Rosetta (Update)

Europe's pioneering probe Rosetta battled breakdowns with navigation and communication with Earth after it ran into blasts of dust and gas from the comet it is tracking, mission control said Thursday.

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