The aim of the strikes is to stop jihadists from moving into autonomous Kurdistan and carrying out a potential genocide against displaced minorities.
World leaders on Monday commemorated the 100th anniversary of the outbreak of World War I, a small Balkans conflict that went global.
A specially outfitted marine vessel will destroy the most dangerous chemicals at sea.
From sports and space, to trade and missiles, frosty U.S.-Russia relations are back.
Inventions and technologies that changed our world entered the stage during the first world war.
A 20th century without Hitler, the Internet or President Obama.
Two nuclear bombs that could have exploded in North Carolina miraculously did not.
Mindfulness meditation before deployment helps body regulate stress, research shows.
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