The U.S. House of Representatives is considering a bill, the "No Invading Allies Act," that would bar military action against Canada, Panama, and Greenland.
A near-Earth asteroid discovered by astronomers late last year that showed a rising potential for colliding with Earth has been downgraded, according to planetary defense experts.
The U.S. Army is back on track with development of its High Accuracy Detection and Exploitation System (HADES) spy plane, following setbacks that involved prospective contractors for the program.
Ongoing sightings of mysterious drones in the skies over New Jersey have sparked alarm among residents as officials continue to investigate the odd nightly incursions.
Lockheed Martin is advancing soldier training with a range of high-tech solutions that promise to significantly reduce training costs while enhancing effectiveness.
Several nuclear-armed U.S. adversaries, including China and Russia, are presenting increased challenges as their arsenals are modernizing and diversifying, Pentagon officials have warned.
A new international initiative aims to mitigate concerns from unauthorized incursions by unmanned aerial systems (UAS) with new counter-drone technologies.