Rosetta finds molecular oxygen on comet 67P (Update)

Stunned scientists announced Wednesday the unexpected discovery of large quantities of oxygen on a comet which streaked past the Sun in August with a European spacecraft in tow.

Exposed water ice detected on comet's surface

Using the high-resolution science camera on board ESA's Rosetta spacecraft, scientists have identified more than a hundred patches of water ice a few metres in size on the surface of Comet 67P/Churyumov-Gerasimenko.

Rosetta measures comet's temperature

( —ESA's Rosetta spacecraft has made its first temperature measurements of its target comet, finding that it is too hot to be covered in ice and must instead have a dark, dusty crust.

Rosetta сomet-chasing probe wakes up, signals Earth

Waking up after almost three years of hibernation, a comet-chasing spacecraft sent its first signal back to Earth on Monday, prompting cheers from scientists who hope to use it to land the first space lander onto a comet.

Surprising dunes on comet Chury

Surprising images from the Rosetta spacecraft show the presence of dune-like patterns on the surface of comet Chury. Researchers at the Laboratoire de Physique et Mécanique des Milieux Hétérogènes (CNRS/ESPCI Paris/UPMC/Université ...

Astronomers predict possible birthplace of Rosetta comet

When the Rosetta spacecraft successfully touched down on comet 67P/Churyumov-Gerasimenko on Sept. 30, the news was shared globally via Twitter in dozens of languages. Citizens the world over were engaged by the astronomical ...

Kepler gets the 'big picture' of comet 67P

On Sept. 30, the European Space Agency concluded its Rosetta mission and the study of comet 67P/Churyumov–Gerasimenko. During the final month of the mission, NASA's planet-hunting Kepler spacecraft had a unique opportunity ...

Final descent image from Rosetta spacecraft

A new image of comet 67P/Churyumov-Gerasimenko was taken by the European Space Agency's (ESA) Rosetta spacecraft shortly before its controlled impact into the comet's surface on Sept. 30, 2016. Confirmation of the end of ...

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