Better passive infrared, stealth and longer-range weapons are among the sixth-generation technologies Lockheed might ...

The U.S. is losing the hypersonic arms race to China—but a formidable, new weapon could change the game. When the U.S. Navy’s ...

While interhuman relationships may go back to the early years of humanity, there is one ritual known the world over that has a much more recent history: marriage. Evidence suggests that marriage ...