This video puts the Mercedes G-Wagon through a brutal durability test, pushing the SUV to its limits across mud, rock, and deep water. It examines how the vehicle’s frame, suspension, and 4MATIC ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...