From an early age, we are taught to understand that the planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?

GeekWire chronicles the Pacific Northwest startup scene. Sign up for our weekly startup newsletter, and check out the GeekWire funding tracker and VC directory. by Alan Boyle on Apr 30, 2024 at 6:00 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

Bothell, Wash.-based Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a vacuum chamber, marking a first for the commercial ...