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A constellation that arcs high overhead in fall and early winter.


Perseus, the Hero

Perseus, the Hero May 25, 2010

Radio Programs

Halloween Haunting stars in the evening sky October 31, 2015

Alpha Persei A young star ages in a hurry October 8, 2015

Double Cluster A pair of vigorous star clusters October 4, 2015

Big Story A big-screen story in the autumn sky September 27, 2015

Future Quadruplets A star cloud prepares to give birth April 15, 2015

Perseus Taking the measure of a monster January 24, 2015

California Nebula California in the stars January 24, 2014

Double Cluster Sparkling stellar jewels February 9, 2013

Halloween Star II A stellar cannibal for Halloween October 30, 2012

Halloween Star A two-headed stellar demon October 29, 2012

Mirfak The hero’s brightest star October 28, 2012

Halloween Ghouls Ghoulish delights in the sky October 30, 2011

Alpha Persei Cluster Tracing a galactic cataclysm October 8, 2011

Alpha Persei A young but aging star October 7, 2011

Border Star A star with a double identity September 8, 2011

Featured Images

Close-up view of the California Nebula in infrared light.

California Nebula January 25, 2014

The California Nebula, in Perseus

Stately Nebula November 6, 2010

Comet Hartley-2 from McDonald Observatory

Jolly Green Comet October 21, 2010