The company is named for the term in orbital mechanics that defines an object’s location in its orbit at any one particular time. It has attracted some $400 million in investment, including funding ...

The USS Gerald R. Ford, the world’s largest aircraft carrier and a central asset in the U.S. military campaign against Iran, is heading to port for temporary repairs after a fire broke out on board ...

Tests and exams often inform too late what should have been known earlier. Stealth assessment and adaptive training may provide exciting opportunities.