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Articles by subject: cosmology

Chown's Cosmos: Hoag's Object (by Marcus Chown, November/December 2011 ): A spiral galaxy has Marcus Chown's head spinning
Moon dance (by John Gribbin, July/August 2011 ): More than just a pretty face, our closest companion in space could be the reason we are here at all, argues John Gribbin
Chown's Cosmos: Cosmic Accelerator (by Marcus Chown, March/April 2011 ): Six hundred million light years away, the ‘active galaxy’ Cygnus A fires huge quantities of particles at unimaginable speeds, finds Marcus Chown
Two-faced Moon (by Marcus Chown, January/February 2011 ): Photographs of Saturn’s third largest moon taken by the Cassini probe reveal an explanation of its mysterious two-toned appearance, says Marcus Chown
Chown's Cosmos: The Sun at night (by Marcus Chown, September/October 2010 ): The 'Super-K' detector is built 3,000 feet down in a mine beneath Hida in Japan. This is one of its most famous images. Marcus Chown explains
Chown's Cosmos: The eye of Sauron (by Marcus Chown, July/August 2010 ): This image from NASA's Spitzer Space Telescope shows what will become of our own star, says Marcus Chown
Chown's Cosmos: A star is born (by Marcus Chown, May/June 2010 ): Since its launch 20 years ago, the Hubble telescope has been sending back stunning images that have transformed our understanding of the universe. This is Marcus Chown’s favourite
Is anyone out there? (by Paul Davies, March/April 2010 ): Aliens, Martians, extraterrestrials – how do we find out whether there’s life on other planets? Paul Davies has a formula