For Astronomy magazine's 15th annual compilation of Star Products, we've once again explored the vast astronomical marketplace to handpick the finest, most innovative, and most practical gear for ...

San Diego Community Power announced Wednesday a $55 million initiative that will offer rebates and incentives to encourage its customers to install solar-plus-battery systems in their homes.

There are six power banks on my desk right now. On the shelves behind me are a dozen (two dozen?) more. Over the past three years, I’ve tested more than 55 portable battery packs for Engadget — and ...