IT'S 9:20 PM ON Jan. 15, and a hooded Kevin Durant presses his right palm to his forehead, staring at a stat sheet and searching for what went wrong in a 20-point loss to the defending champion ...

How do you safely move a 5.75 million-pound, 322-foot-high rocket more than 4 miles from the assembly building to the launch pad and back? Flag down the Crawler-Transporter 2, or CT-2, the slow-moving ...

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...