Russia has suspended its participation in a treaty on conventional arms and voiced opposition to a missile shield in its backyard. Is a new era of mutual hostility in the making?

Experts say Islamic law, or sharia, holds wide appeal for Muslim populations in many countries and is beginning to spread via democratic means, but it is also being used as a tool of Islamic militanc…

As UN Security Council members mull sanctions against Tehran, experts say such a move, even with climbing oil prices, could deal a devastating blow to Iran’s economy.

Experts say graduating Russia from Cold War-era legislation linked to emigration and trade would be a step toward warming relations with Moscow.

China’s anti-satellite test in January drew international condemnation but also piqued interest in some quarters about instituting a space weapons ban.