Canada's proposed emissions cap poses risks to the U.S.-Canada energy relationship, necessitating cross-border collaboration ...

Operation Polar Vortex demonstrated the ability to rapidly deploy forces to the Arctic in defense of the homelands, ...

The joint coast guard mission came after Beijing and Moscow held a series of joint military maneuvers in the Pacific.

This advertisement has not loaded yet, but your article continues below. Israel's military said the rockets came in three waves Friday afternoon targeting sites along the ravaged border with ...

Protecting and conserving our natural heritage, predicting weather and environmental conditions, preventing and managing pollution, promoting clean growth and a sustainable environment for present and ...