A start-up is aiming to do to Lockheed Martin what Tesla did to Ford Motor. It might disrupt the entire defense business ...

The Vietnam War ended 50 years ago but the disaster unleashed by American use of Agent Orange continues unabated ...

Marinoan global glaciation lasting 4 million years confirmed; stable ice defies current climate models and biological ...

Missteps, Equipment Problems and a Common but Risky Practice Led to a Fatal Crash New details revealed by The Times show the complex failures on Jan. 29 before an Army helicopter crashed into a je ...

This advertisement has not loaded yet, but your article continues below. The RNC says it is increasing efforts to identify and locate those responsible for large volumes of graffiti across the ...