Anyone who’s ever plopped down a Roomba and watched with glee as it sucked up the pet hair and debris on their floor will be psyched to learn that new robots capable of much dirtier jobs are quickly ...

I spent five and a half years working as a professional custodian before transitioning into tech journalism. Those years ...

SAN FRANCISCO – Streets in San Francisco's Tenderloin neighborhood blocks away from fancy stores and long lines of tourists waiting for cable cars have been cleaner since solar-powered toilets began ...

Danny Hutson jumps down from the cab of his truck, grabs a giant yellow and black hose, and gets ready to deal with a familiar smell: human waste and disinfectant. It’s all part of the job for Hutson, ...