It was supposed to be unstoppable — a massive, all-terrain vehicle built to glide across Antarctica and showcase American ...

Navigating the extreme cold of deep space or handling super-chilled liquid fuels here on Earth requires materials that won't break. Most metals become brittle and fracture at such low temperatures.

Governors support interregional power lines to protect against extreme weather, deliver wind power and create more price competition. Energy officials in nine Northeast and mid-Atlantic states have ...