A Ukrainian drone swarm costing thousands of dollars appears to have caused billions in damage—just as Trump advances a $175 ...

President Trump's ambitious $175 billion Golden Dome missile defense system aims for global protection within three years.

Trump's Golden Dome defense system would protect the United States from advanced threats. Critics say it is upending ...

Leidos Holdings Inc. LDOS shares have rallied an impressive 3.1% in the year-to-date period, outperforming the S&P 500’s return of 0.1%. The company, however, underperformed the Zacks ...