A new alloy combines the best of the refractory metals with cutting-edge engineering. Even these extremely tough metals can ...

Most of what people casually call “the universe” is not where instinct suggests. Stars, planets and glowing gas clouds are ...

Prime Minister Benjamin Netanyahu of Israel has a series of vexing choices to make in the year ahead on issues including Gaza, conscription and a judicial overhaul, with elections looming. By David M.