Six pilot training programs and eight certifications are being established to provide fundamental skills in using both armed ...

That joyfulness can extend even to the more mundane lessons, like learning new vocabulary, which historically has involved ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...