The successful demonstration of inertial measurement unit technology on a hypersonic aircraft is an industry first.

Northrop Grumman Corp.’s stock fell more than 13% on Tuesday, making it the worst performer among companies in the S&P 500, ...

Northrop Grumman cut its annual profit forecast after it posted a 49% slump in first-quarter earnings on Tuesday, as it booked losses on its B-21 stealth bomber program due to higher costs, sending ...