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Sirius, the Dog Star

The brightest star in the northern night sky, Sirius is actually a binary star system 8.7 light-years away in the constellation Canis Major.

Radio Programs

The Dog Days Sweating through the Dog Days of summer August 6, 2017

Leading the Dog One dog leads another across the sky January 21, 2017

Dog Days The dog days of summer August 13, 2016

Sirius Two dogs that are moving apart — after this. January 10, 2016

Sirius Rising The Dog Star climbs into winter evenings January 3, 2015

Featured Images

Sirius B, the white-dwarf companion to Sirius, compared to the size of Earth

Stellar Afterlife February 1, 2012