Vinyl has long been the big story in physical media, but CDs are cheaper, quicker to manufacture, and poised for a comeback.

Japanese secondhand goods retailer Bookoff Group Holdings Ltd. will step up its efforts to recycle CDs and DVDs into daily ...

A team of researchers has developed an optical disc that holds an incredible 200 terabytes of data - over 4,000 times more ...

Make a truth teller for light. Turn an old CD into a spectroscope to analyze light—you may be surprised by what you see. Try pointing your CD spectroscope at the fluorescent light in your room, sunlit ...