SiriusXM and Maxar Space Systems have announced the successful in-orbit testing of the SXM-9 satellite, which is now fully operational by the satellite radio platform. The SXM-9 was successfully ...

Last week, we discussed the Dog Star, Sirius, the sky’s brightest star. Orbiting Sirius is a faint companion, a tiny star known informally as the Pup.

Breaking space news, the latest updates on rocket launches, skywatching events and more! The SIRIUS-23 mission meticulously recreated key stages of a crewed lunar mission: transit to the moon ...

Satellite radio and media company Sirius XM (NASDAQ ... fiber in the ground, or satellites in space make it challenging for companies in this industry to adjust to shifting consumer habits.