Comet 4P/Faye and tail

Explore the Night with Bob King

Making Time for Morning Comets

If you like mixing comets with the quietude of observing in the small hours, September opens with five fuzzy vagabonds just waiting for a visit.

Comet 67P

Solar System

Comets Have (Ultraviolet) Aurora, Too

Observations from the European Space Agency’s Rosetta spacecraft show that Comet 67P/Churyumov-Gerasimenko has its own aurora.

Astronomy in Space with David Dickinson

Image Sleuth Spots "Churyumoon" Around Rosetta's Comet

A tiny, 4-meter fragment dubbed Churyumoon has been spotted orbiting Comet 67P Churyumov-Gerasimenko, which the Rosetta mission visited in 2014–2016.

Rosetta Selfie

Astronomy in Space with David Dickinson

Rosetta Sees Changing Face of Comet 67P

Data from the Rosetta mission has linked outbursts on Comet 67P/Churyumov-Gerasimenko with dramatic changes on the comet's surface.

Rosetta on Comet 67P's surface

Solar System

Rosetta's Grand Finale

The historic mission to explore a comet ends in dramatic fashion on September 30th.

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