This twin, called Dragonfly 44, is a bit smaller than the Milky Way — about 60,000 light-years across — and has pretty much the same mass. But this twin has a dark secret. Using the most ...

“I was thrilled when Jeff asked me if I’d be interested in exploring his and Dean’s Black Hammer universe ... “I immediately asked about Madame Dragonfly and the Cabin of Horrors, as ...