The Beats Solo4 got some audio upgrades, but they retain what makes the line great. Right now, the headphones are on sale at QVC.

Donald Trump lashed out at Iran's supreme leader over claims Tehran won the war against Israel. But Iran's foreign minister warned the US president about his "disrespectful and unacceptable tone ...

A soft electroactive gel enables untethered robots to deform, grip, and move using only external electric fields, eliminating the need for internal wiring or circuitry.